Inc Morrison Knudsen Company

Significance: The intake house was built to take water in from Lake Sakakawea and conduct it to the powerhouse (HAER ND-15-A) via penstocks and surge tanks (HAER ND-15-B). The intake house maintained trash rack More

Significance: The Project Administration Building was built to supply office space for staff managing the construction of Garrison Dam, and it serves as administrative offices for the dam today. Its symmetrical More

Significance: The penstocks and surge tanks were built to conduct water from the intake house (HAER ND-15-D) at Lake Sakakawea to the powerhouse (HAER ND-15-A). The surge tanks primarily provide pressure relief More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

Significance: The LCC was listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through 1975, the LCC has since gaine More

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Survey number: HAER WA-139

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More

Significance: The Alaskan Way Viaduct is significant for its double-deck configuration, the first such bridge built in the state of Washington. The structure encompasses two different designs and crosses over More