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 ...
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 ...
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 ...
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 ...
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
Lexington & West Cambridge Railroad, Lexington Depot, Depot Square, Le...
Significance: The Lexington & West Cambridge Railroad, incorporated by the legislature in 1845, was built to link Lexington and Arlington (then called West Cambridge) with the new line of the Fitchburg Railroad... More
Schuylkill Canal, Bausman's Lock No. 12, Coal Street & Garfield Creek,...
Significance: As an important part of the Schuylkill Canal system, Bausman's Lock played a significant role in the history of Pennsylvania until 1888 when competition from the railroads forced it to close. Alm... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Broadway Bridge, Spanning Mississippi River at Broadway Street, Minnea...
Significance: The Broadway Bridge was a four-span, wrought iron and steel, high through Pratt truss and was one of two known remaining decorative truss bridges in Minnesota. The bridge was fabricated by the Ki... More
Honesdale Coal Pockets, Main & Commercial Streets, between 700 & 800 b...
Significance: Although determined not to be part of the early gravity railroad and canal system, this deteriorating coal pocket structure belongs to a family of rapidly disappearing coal and railroad structures... More
East Bloomsburg Bridge, Spanning Susquehanna River at Pennsylvania Rou...
Significance: The existing East Bloomsburg Bridge consists of six equal pin-connected through-truss spans of 190 foot length with two feet between end bearings at the piers for a total length of 1150 feet. The... More
East Bloomsburg Bridge, Spanning Susquehanna River at Pennsylvania Rou...
Significance: The existing East Bloomsburg Bridge consists of six equal pin-connected through-truss spans of 190 foot length with two feet between end bearings at the piers for a total length of 1150 feet. The... More
East Bloomsburg Bridge, Spanning Susquehanna River at Pennsylvania Rou...
Significance: The existing East Bloomsburg Bridge consists of six equal pin-connected through-truss spans of 190 foot length with two feet between end bearings at the piers for a total length of 1150 feet. The... More
East Bloomsburg Bridge, Spanning Susquehanna River at Pennsylvania Rou...
Significance: The existing East Bloomsburg Bridge consists of six equal pin-connected through-truss spans of 190 foot length with two feet between end bearings at the piers for a total length of 1150 feet. The... More
Hamilton Street Dam, Lehigh River upstream of Hamilton Street Bridge, ...
Significance: The Hamilton Street Dam is an integral part of the Lehigh Canal, which was of major economic importance in the development of industry in the Lehigh Valley in the nineteenth century. The V-shaped... More
College Avenue Bridge, Pennsylvania Route 58/ Legislative Route 82 spa...
Significance: The College Avenue Bridge in Greenville, Pennsylvania, is a simple pony truss bridge that spans the Little Shenango River on the northern side of Greenville, providing access to the Shenango Valle... More
Haralson County Bridge, County Road 189, spanning Tallapoosa River, Ta...
Significance: The Haralson County Bridge is a steel pin connected Pratt-through truss constructed by the Virginia Bridge and Iron Company of Roanoke, Virginia. The bridge is composed of one Pratt-through truss... More
Toelles Road Bridge, Spanning Quinnipiac River, Wallingford, New Haven...
Significance: Constructed by the Berlin Iron Bridge Company, one of Connecticut's most noted bridge builders, this structure represents one of the company's original bridge projects using steel. The bridge is ... More
Grant Avenue Bridge, Spanning Yakima River at Grant Avenue, Prosser, B...
Significance: The Grant Avenue Bridge is significant as the oldest and least altered example of a two span pin-connected Parker truss within the state. It is also the only existing highway bridge within the st... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Truckee-Carson Irrigation District Facility Yard, Sixth & Taylor Stree...
Significance: Associated with the Newlands Project, one of the first five reclamation projects authorized by the Newlands Reclamation Act of 1902. Survey number: HAER NV-6 Building/structure dates: 1919 Initi... More
Truckee-Carson Irrigation District Facility Yard, Sixth & Taylor Stree...
Significance: Associated with the Newlands Project, one of the first five reclamation projects authorized by the Newlands Reclamation Act of 1902. Survey number: HAER NV-6 Building/structure dates: 1919 Initi... More
Truckee-Carson Irrigation District Facility Yard, Sixth & Taylor Stree...
Significance: Associated with the Newlands Project, one of the first five reclamation projects authorized by the Newlands Reclamation Act of 1902. Survey number: HAER NV-6 Building/structure dates: 1919 Initi... More
Union Iron Works Turbine Machine Shop, 2200 Webster Street, Alameda, A...
Significance: The Union Iron Works Turbine Machine Shop building is both historically and architecturally significant. As the nucleus of a major West Coast shipyard which made important contributions to ship b... More
North Carolina Route 2408 Bridge, Spanning Bull Creek, Asheville, Bunc...
Significance: The bridge is 45' long. Divided into four panels, this rivet-connected Warren Pony truss is made of built-up members typical for this construction date. The substructure of the span is made of s... More
North Carolina Route 2408 Bridge, Spanning Bull Creek, Asheville, Bunc...
Significance: The bridge is 45' long. Divided into four panels, this rivet-connected Warren Pony truss is made of built-up members typical for this construction date. The substructure of the span is made of s... More
Calispell Diversion Canal, 1.2 miles southeast of I-20 & Flowery Trail...
Significance: The building of the Calispell Diversion Canal was one of the largest and most widely publicized New Deal projects undertaken in northeast Washington during the Great Depression. Much of the const... More
Calispell Diversion Canal, 1.2 miles southeast of I-20 & Flowery Trail...
Significance: The building of the Calispell Diversion Canal was one of the largest and most widely publicized New Deal projects undertaken in northeast Washington during the Great Depression. Much of the const... More
Llagas Creek Bridge, Spanning Llagas Creek, Gilman Road at Holsclaw Ro...
Significance: The Llagas Creek Bridge is associated with the life of designing engineer John G. McMillan, and represents a type, period, and method of construction. It was determined eligible for inclusion in ... More
Alvord Lake Bridge, San Francisco, San Francisco County, CA
Significance: This structure is the first reinforced concrete bridge in America. Though only 20 feet in span, the bridge utilized Ransome twisted steel bars and served as predecessor for thousands of reinforce... More
Lockville Hydroelectric Plant, Deep River, 3.5 miles upstream from Haw...
Significance: The Lockville dam, canal, and powerhouse occupy a site which is closely associated with important events in the history of Chatham County and in the overall development of North Carolina. Lord Co... More
North Carolina Route 1412 Bridge, Spanning Leepers Creek, Laboratory, ...
Significance: It is the earliest bridge to contain rolled sections in its truss system. The span is 120' and divided into seven panels. It contains the characteristic bolted pins of the Owego Company, builder... More
Ouachita River Lock & Dam No. 8, Ouachita River at River Mile 282.8, C...
Significance: The Ouachita River Lock and Dam No. 8 is one of the oldest remaining locks and dams in the State of Arkansas. It represents a vital segment in the earliest attempt by the U.S. Army Corps of Engin... More
Outlook Irrigation District, Pumping Plant & Woodstave Pipe, Hudson Ro...
Significance: The Outlook Irrigation District (OID) is part of one of the earliest, largest, and most successful federal reclamation projects, the Yakima Project. The OID is part of the Sunnyside Division of t... More
Outlook Irrigation District, Pumping Plant & Woodstave Pipe, Hudson Ro...
Significance: The Outlook Irrigation District (OID) is part of one of the earliest, largest, and most successful federal reclamation projects, the Yakima Project. The OID is part of the Sunnyside Division of t... More
Lover's Leap Lenticular Bridge, Spanning Housatonic River on Pumpkin H...
Significance: The structure is 19 feet wide and 173 feet long. It is the most recently built lenticular through truss surviving in Connecticut, as of 1984. It has been replaced by a new bridge built several y... More
Bartlett-Hayward Industrial Complex, 200 Scott Street, Baltimore, Inde...
Significance: Bartlett-Hayward was an important Baltimore manufacturer during the nineteenth and early twentieth centuries. It was particularly noted as a producer of decorative architectural ironwork. The Sc... More
Bartlett-Hayward Industrial Complex, 200 Scott Street, Baltimore, Inde...
Significance: Bartlett-Hayward was an important Baltimore manufacturer during the nineteenth and early twentieth centuries. It was particularly noted as a producer of decorative architectural ironwork. The Sc... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Lefferts Tide Mill, Huntington Harbor, Southdown Road, Huntington, Suf...
Significance: The Lefferts Mill is a fine example of a tide mill, a relatively rare engineering structure. It is also important as an example of a typical Long Island water-powered grist mill in its equipment,... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Fitger Brewery Complex, Stable & Garage, 600 East Superior Street, Dul...
Significance: The stable and garage building was constructed in 1911 by McLeod & Smith for an original cost of $24,000. The architect was Mr. L. Lehle. The building was constructed where a previous barn and s... More
Fitger Brewery Complex, Stable & Garage, 600 East Superior Street, Dul...
Significance: The stable and garage building was constructed in 1911 by McLeod & Smith for an original cost of $24,000. The architect was Mr. L. Lehle. The building was constructed where a previous barn and s... More
Fitger Brewery Complex, Stable & Garage, 600 East Superior Street, Dul...
Significance: The stable and garage building was constructed in 1911 by McLeod & Smith for an original cost of $24,000. The architect was Mr. L. Lehle. The building was constructed where a previous barn and s... More
Fitger Brewery Complex, Stable & Garage, 600 East Superior Street, Dul...
Significance: The stable and garage building was constructed in 1911 by McLeod & Smith for an original cost of $24,000. The architect was Mr. L. Lehle. The building was constructed where a previous barn and s... More
Golden Gate Bridge, Spanning mouth of San Francisco Bay, San Francisco...
Significance: Spanning one of the World's most spectacular channels, the Golden Gate Bridge is internationally renowned as a superb structural and aesthetic example of suspension bridge design. Survey number: ... More
Golden Gate Bridge, Spanning mouth of San Francisco Bay, San Francisco...
Significance: Spanning one of the World's most spectacular channels, the Golden Gate Bridge is internationally renowned as a superb structural and aesthetic example of suspension bridge design. Survey number: ... More
Golden Gate Bridge, Spanning mouth of San Francisco Bay, San Francisco...
Significance: Spanning one of the World's most spectacular channels, the Golden Gate Bridge is internationally renowned as a superb structural and aesthetic example of suspension bridge design. Survey number: ... More
Golden Gate Bridge, Spanning mouth of San Francisco Bay, San Francisco...
Significance: Spanning one of the World's most spectacular channels, the Golden Gate Bridge is internationally renowned as a superb structural and aesthetic example of suspension bridge design. Survey number: ... More
Golden Gate Bridge, Spanning mouth of San Francisco Bay, San Francisco...
Significance: Spanning one of the World's most spectacular channels, the Golden Gate Bridge is internationally renowned as a superb structural and aesthetic example of suspension bridge design. Survey number: ... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Roosevelt Power Canal & Diversion Dam, Parallels Salt River, Roosevelt...
Significance: The Roosevelt Power Canal was built as an integral part of the Salt River Project and represents the U. S. Reclamation Service's first involvement in the construction of hydroelectric power facili... More
Green Butte Copper Company, Stables, McCarthy Creek 12 miles Northeast...
Significance: Used by the Green Butte Copper Company from 1921 to 1926, this 21'1" x 39'10" structure with saddle-notched corners, was constructed of logs and fabric chink with a corrugated metal roof. It has ... More
Green Butte Copper Company, Stables, McCarthy Creek 12 miles Northeast...
Significance: Used by the Green Butte Copper Company from 1921 to 1926, this 21'1" x 39'10" structure with saddle-notched corners, was constructed of logs and fabric chink with a corrugated metal roof. It has ... More
Bailey's Dam, Red River, Alexandria, Rapides Parish, LA
Significance: This 100-year-old dam is significant in that there has been no development in the area since the 1860s. Survey number: HAER LA-6 Building/structure dates: 1864 Initial Construction
Second Avenue Bridge, Spanning Oostanaula on State Route 101 (Second A...
Significance: The Second Avenue Bridge is a rivet-connected Camelback through truss. It is composed of two steel trusses which each measures 165' in length and two concrete approaches. The overall length of t... More
South Street Seaport, Piers 17 & 18, South Street into East River at F...
Significance: Piers 17 and 18, located in the South Street Historic District Extension, stand as physical evidence of the water-oriented economy of New York City in its developmental years. The current piers w... More
South Street Seaport, Piers 17 & 18, South Street into East River at F...
Significance: Piers 17 and 18, located in the South Street Historic District Extension, stand as physical evidence of the water-oriented economy of New York City in its developmental years. The current piers w... More
Fillmore Bridge, Spanning Genesee River at County Road 4, Fillmore, Al...
Significance: One of the last remaining lenticular truss bridges in the northeastern United States. The bridge is a pin-connected through lenticular truss built by the Berlin Bridge Company of East Berlin, Con... More
McGirt's Bridge, Spanning Cape Fear River, Elizabethtown, Bladen Count...
Significance: McGirt's Bridge is a 350-foot Petit Truss bridge. It is the longest truss bridge in North Carolina. The bridge is divided into fourteen panels. The ratio of depth to length of the truss is low,... More
McGirt's Bridge, Spanning Cape Fear River, Elizabethtown, Bladen Count...
Significance: McGirt's Bridge is a 350-foot Petit Truss bridge. It is the longest truss bridge in North Carolina. The bridge is divided into fourteen panels. The ratio of depth to length of the truss is low,... More
Berry Hill Bridge, Spanning Dan River at State Route 1761 (Virginia St...
Significance: The bridge is a fine example of a Camelback truss with integrity intact. Survey number: HAER NC-38 Building/structure dates: 1914 Initial Construction
Berry Hill Bridge, Spanning Dan River at State Route 1761 (Virginia St...
Significance: The bridge is a fine example of a Camelback truss with integrity intact. Survey number: HAER NC-38 Building/structure dates: 1914 Initial Construction
Phoenix Manufacturing Company, Forest & Wisconsin Streets, Eau Claire,...
Significance: The Phoenix Manufacturing Company is an architecturally significant property, providing the city's most intact example of industrial architecture. The two stone structures, initially used as the ... More
Phoenix Manufacturing Company, Forest & Wisconsin Streets, Eau Claire,...
Significance: The Phoenix Manufacturing Company is an architecturally significant property, providing the city's most intact example of industrial architecture. The two stone structures, initially used as the ... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Niantic River Swing Bridge, Spanning Niantic River between East Lyme &...
Significance: The Niantic River Bridge has two spans: a fixed Pratt through truss and the swing span which resembles a Warren through truss with verticals. All members and all connections are riveted. Survey ... More
Fort MacArthur, Raw Salt Storage & Processing Buildings, Pacific Avenu...
Significance: The Trona Plant (Building 425) at Fort MacArthur is one of the largest remaining wood timber buildings in southern California. As such, it represents an impressive example of an early west coast ... More
Baltimore & Ohio Railroad, Tobacco Warehouse, 1000-1001 Fell Street, B...
Significance: The B & O Railroad Tobacco Warehouse was a collection point for southern tidewater tobacco. Before being shipped to European markets, tobacco was graded, sorted and packed into hogshead barrels i... More
Baltimore & Ohio Railroad, Tobacco Warehouse, 1000-1001 Fell Street, B...
Significance: The B & O Railroad Tobacco Warehouse was a collection point for southern tidewater tobacco. Before being shipped to European markets, tobacco was graded, sorted and packed into hogshead barrels i... More
Baltimore & Ohio Railroad, Tobacco Warehouse, 1000-1001 Fell Street, B...
Significance: The B & O Railroad Tobacco Warehouse was a collection point for southern tidewater tobacco. Before being shipped to European markets, tobacco was graded, sorted and packed into hogshead barrels i... More
Baltimore & Ohio Railroad, Tobacco Warehouse, 1000-1001 Fell Street, B...
Significance: The B & O Railroad Tobacco Warehouse was a collection point for southern tidewater tobacco. Before being shipped to European markets, tobacco was graded, sorted and packed into hogshead barrels i... More
Cornish-Windsor Covered Bridge, Spanning Connecticut River between Cor...
Significance: The Cornish-Windsor Bridge is the longest covered bridge in the U.S. and the second-longest two-span covered bridge in the world. It is an excellent example of the work of James Tasker and Bela F... More
Cornish-Windsor Covered Bridge, Spanning Connecticut River between Cor...
Significance: The Cornish-Windsor Bridge is the longest covered bridge in the U.S. and the second-longest two-span covered bridge in the world. It is an excellent example of the work of James Tasker and Bela F... More
Emlenton Bridge, Spanning Allegheny River, Travel Route 38 (Legislativ...
Significance: The existing Emlenton Bridge is significant in the areas of engineering and transportation, specifically for its age, size, type of truss, length of truss for this age, and material. The bridge w... More
Emlenton Bridge, Spanning Allegheny River, Travel Route 38 (Legislativ...
Significance: The existing Emlenton Bridge is significant in the areas of engineering and transportation, specifically for its age, size, type of truss, length of truss for this age, and material. The bridge w... More
Emlenton Bridge, Spanning Allegheny River, Travel Route 38 (Legislativ...
Significance: The existing Emlenton Bridge is significant in the areas of engineering and transportation, specifically for its age, size, type of truss, length of truss for this age, and material. The bridge w... More
Flathead Lake Cherry Growers Association Warehouse, 20 North Main Stre...
Significance: The cherry warehouse represents a business enterprise which has grown into a healthy enterprise supplying cherries to a regional market. The Flathead Lake perimeter has provided the climate and en... More
Siuslaw River Bridge, Spanning Siuslaw River, Richardson Road, County ...
Significance: The Siuslaw River Bridge is the oldest extant through truss with riveted connections and one of two steel through truss bridges using the double intersection Warren truss in Oregon. Survey number... More
American Woolen Company, East Canal Street, Winooski, Chittenden Count...
Significance: The Champlain Mill is a good representative example of late nineteenth century New England mill architecture. The structure is a four-story brick building, with slightly arched windows and corbel... More
Bailey Island Bridge, Bailey Island, Cumberland County, ME
Significance: This is an unusual stone bridge built in the early 20th century to provide passage over a tidal inlet. The form of stone cribwork was chosen so that water could pass through the structure in resp... More