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San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

San Juan & New York Mining & Smelting Company, Superintendent's House, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Superintendent's House,...

Significance: It is one of two remaining structures at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It is located approximately .2 miles north of the stack. SJ&NY grew to beco... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Habre de Venture, Tenant House, Rose Hill Road, La Plata, Charles County, MD

Habre de Venture, Tenant House, Rose Hill Road, La Plata, Charles Coun...

Unprocessed Field note material exists for this structure: FN-84 Survey number: HABS MD-470-C National Register of Historic Places NRIS Number: 71000372

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

San Juan & New York Mining & Smelting Company, Superintendent's House, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Superintendent's House,...

Significance: It is one of two remaining structures at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It is located approximately .2 miles north of the stack. SJ&NY grew to beco... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

San Juan & New York Mining & Smelting Company, Smelter Stack, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Smelter Stack, State Ro...

Significance: The extant smelter stack is the first of two identical stacks at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It stands at the south end of the site of the origi... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Habre de Venture, Tenant House, Rose Hill Road, La Plata, Charles County, MD

Habre de Venture, Tenant House, Rose Hill Road, La Plata, Charles Coun...

Unprocessed Field note material exists for this structure: FN-84 Survey number: HABS MD-470-C National Register of Historic Places NRIS Number: 71000372

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of ...

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden... More

Power Flume No. 1, Tacoma, La Plata County, CO

Power Flume No. 1, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Hydroelectric Project in southwest Colorado. The project was undertaken in order to produce cheap power for the mining operations at Silverton. Due to leakage... More

San Juan & New York Mining & Smelting Company, Superintendent's House, State Route 160, Durango, La Plata County, CO

San Juan & New York Mining & Smelting Company, Superintendent's House,...

Significance: It is one of two remaining structures at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It is located approximately .2 miles north of the stack. SJ&NY grew to beco... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Terminal Dam, Tacoma, La Plata County, CO

Terminal Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Highway 550, Bondad, La Plata County, CO

Twin Rock Irrigation Ditch, West bank of Animas River, East of U.S. Hi...

Significance: The ditch is integral to the settlement and agricultural development of the community of Riverside, New Mexico. Today, the ditch continues to serve agricultural purposes, as originally intended. ... More

Aspaas Dam, Tacoma, La Plata County, CO

Aspaas Dam, Tacoma, La Plata County, CO

Significance: It was an integral part of the Tacoma Project, an early hydroelectric development in southwest Colorado. The Project was constructed in the early 1900s to serve the needs of the mining operations ... More

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