Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Bethlehem Steel Corporation, Lackawanna Plant, Route 5 on Lake Erie, B...
Survey number: HAER NY-198 Building/structure dates: 1899-1901 Initial Construction Building/structure dates: 1983 Subsequent Work
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Alaskan Way Viaduct and Battery Street Tunnel, Seattle, King County, W...
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
Pioneer Building, 2679 East Grand Boulevard, Detroit, Wayne County, MI
See HAER MI-416, Detroit's Milwaukee Junction Survey, for additional information. Significance: Erected in 1908 by the Trippensee brothers, an addition was completed in 1915. Part of the need for this expansion... More
6541-6549 Brush Street (Apartment Building), Detroit, Wayne County, MI
Survey number: HABS MI-439 Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description
Maine Lobster Boat Rita Ann, Stanley Storage Yard, Southwest Harbor, H...
Survey number: HAER ME-83 Building/structure dates: 1978 Initial Construction
Garrison Dam, Switchyard, 597 Garrison Dam Road, Riverdale, McLean Cou...
Field notes for HAER ND-15-A, Garrison Dam Powerhouse, include information about the switchyard. Significance: The switchyard provides generator and line protection, voltage and and amperage monitoring, and pow... More
Maine Lobster Boat Little Dirls, Jonesport Harbor, West Jonesport, Was...
Unprocessed Field note material exists for this structure: N1244 Survey number: HAER ME-89
Haddam Neck Nuclear Power Plant, 115-kV Building , 362 Injun Hollow Ro...
Significance: The Haddam Neck Nuclear Power Plant was one of the earliest commercial-scale nuclear power stations in the United States, and was eligible for the National Register of Historic Places. The 115 kV... More
Marshall Space Flight Center, Administrative Complex, Rideout Road, Hu...
For individual building descriptions and histories, see: - Central Laboratory and Office (Building 4200), HABS AL-999-A - Engineering and Administration Building (Building 4201), HABS AL-999-B - Project Enginee... More
Kennecott Copper Corporation, Leaching Plant, On Copper River & Northw...
Significance: The original leaching plant (now the south end of the building) was constructed in 1915 and went into production the next year. The first four leaching tanks could process 300 tons of ore per day... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Crater Lake National Park Roads, Klamath Falls, Klamath County, OR
Significance: The primary roads in Crater Lake National Park were designed and constructed to provide visitor access to the park's scenic features, which are largely concentrated along the rim of Crater Lake. ... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Crater Lake National Park Roads, Klamath Falls, Klamath County, OR
Significance: The primary roads in Crater Lake National Park were designed and constructed to provide visitor access to the park's scenic features, which are largely concentrated along the rim of Crater Lake. ... More
Crater Lake National Park Roads, Klamath Falls, Klamath County, OR
Significance: The primary roads in Crater Lake National Park were designed and constructed to provide visitor access to the park's scenic features, which are largely concentrated along the rim of Crater Lake. ... More
Crater Lake National Park Roads, Klamath Falls, Klamath County, OR
Significance: The primary roads in Crater Lake National Park were designed and constructed to provide visitor access to the park's scenic features, which are largely concentrated along the rim of Crater Lake. ... More
Eberhart's Garage, Chambersburg Street, Gettysburg, Adams County, PA
Survey number: HAER PA-594 Public domain photograph of theater building, free to use, no copyright restrictions image - Picryl description
Eberhart's Garage, Chambersburg Street, Gettysburg, Adams County, PA
Survey number: HAER PA-594 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Illinois Waterway, Starved Rock Lock and Dam , 950 North 27th Road, Ut...
Survey number: HAER IL-164-D National Register of Historic Places NRIS Number: 04000166
Dock Street Bridge, Spanning Crum Elbow Creek, Hyde Park, Dutchess Cou...
Significance: At Vanderbilt Mansion, Frederick Vanderbilt created a country estate with a picturesque carriage drive system and bridges that both complemented and heightened the beauty of the natural landscape.... More
Forsythe Bridge, Spanning Big Flat Rock Creek, CR 650S, Moscow, Rush C...
Significance: Local bridge contractor Emmett L. Kennedy built the Forsythe Bridge in 1888. The Kennedy family of Rushville built nearly sixty covered bridges, which are distinguished primarily by the scrollwor... More
Lightship 116, Pier 3, Inner Harbor, Baltimore, Independent City, MD
Significance: Lightship 116 is one of the last extant lightships in the United States and has had few modifications during its service. Four generations of lightships were in use in the United States from 1820 ... More
Bells Ford Bridge, Spanning East Fork White River at State Route 258, ...
Post truss, 2 spans Significance: Bells Ford Bridge is the only combination Post truss bridge, and one of only four Post truss bridges of all types surviving in the United States. It symbolizes the significant... More
New Portland Suspension Bridge, Spanning Carrabasset River, New Portla...
Significance: The New Portland (Wire) Bridge is the only early American suspension bridge that remains basically unaltered, aside from John A. Roebling's Delaware Aqueduct. It is also the only extant example of... More
Lincoln Motor Court, 5104 Lincoln Highway, Manns Choice, Bedford Count...
Survey number: HAER PA-602 Public domain image related to President Abraham Lincoln, gelatin silver print, free to use, no copyright restrictions image - Picryl description
Charlestown Navy Yard, Incinerator, Midway along northern boundary of ...
The Boston Redevelopment Authority hired William A. Owens to document all buildings in the Charlestown Navy Yard in 1977, most of which were exterior photographs. Significance: Building 203 is a significant arc... More
Charlestown Navy Yard, Incinerator, Midway along northern boundary of ...
The Boston Redevelopment Authority hired William A. Owens to document all buildings in the Charlestown Navy Yard in 1977, most of which were exterior photographs. Significance: Building 203 is a significant arc... More
Mount Savage Iron Furnace, Junction of U.S. Route 60 & State Route 1, ...
Unprocessed Field note material exists for this structure: N1352 Survey number: HAER KY-41 Building/structure dates: 1987
South Penn Oil Company, G. M. Mead Lot 492 Lease, Morrison Run Field, ...
Significance: Pennsylvania is the birthplace of the petroleum industry, signified by the drilling of Edwin Drake's well near Titusville in 1859. Many widely used techniques of drilling and pumping oil were fir... More
Peevy Road Bridge, Peevy Road spanning Perkiomen Creek in Upper Hanove...
Significance: The Peevy Road Bridge is an outstanding and exceptionally well-preserved example of a Pratt through truss by the Dayton, Ohio based Columbia Bridge Works. It exemplifies a number of innovations a... More
Peevy Road Bridge, Peevy Road spanning Perkiomen Creek in Upper Hanove...
Significance: The Peevy Road Bridge is an outstanding and exceptionally well-preserved example of a Pratt through truss by the Dayton, Ohio based Columbia Bridge Works. It exemplifies a number of innovations a... More
Arlington National Cemetery, USS Maine Memorial, Arlington, Arlington ...
Significance: "Remember the Maine" was the popular call of the "yellow" or sensational press, Congress, and private citizens throughout the United States as they rallied around the tragedy of 1898. The sinking ... More
Arlington National Cemetery, USS Maine Memorial, Arlington, Arlington ...
Significance: "Remember the Maine" was the popular call of the "yellow" or sensational press, Congress, and private citizens throughout the United States as they rallied around the tragedy of 1898. The sinking ... More
Arlington National Cemetery, USS Maine Memorial, Arlington, Arlington ...
Significance: "Remember the Maine" was the popular call of the "yellow" or sensational press, Congress, and private citizens throughout the United States as they rallied around the tragedy of 1898. The sinking ... More
U.S. Coast Guard Buoy Tenders, 133' Class, U.S. Coast Guard Headquarte...
Significance: Following World War II, the U.S. Coast Guard sought additional vessels for its depleted fleet. Lacking an appropriation to construct tenders to its own specifications, the Coast Guard acquired ei... More
U.S. Coast Guard Buoy Tenders, 133' Class, U.S. Coast Guard Headquarte...
Significance: Following World War II, the U.S. Coast Guard sought additional vessels for its depleted fleet. Lacking an appropriation to construct tenders to its own specifications, the Coast Guard acquired ei... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Wind Cave Roads & Bridges, Hot Springs, Fall River County, SD
Significance: The Wind Cave National Park road system reflects the combined efforts of the National Park Service, the South Dakota State Highway Commission, and the Bureau of Public Roads to provide vehicular a... More
Dean's House, 73 Nassau Street, Princeton, Mercer County, NJ
Significance: The Dean's House was contemporary with Nassau Hall and was occupied by all the presidents of the University except Jonathan Dickinson until 1879; since then it has been the official residence of t... More
Dean's House, 73 Nassau Street, Princeton, Mercer County, NJ
Significance: The Dean's House was contemporary with Nassau Hall and was occupied by all the presidents of the University except Jonathan Dickinson until 1879; since then it has been the official residence of t... More
Western Land & Improvement Company Double Houses, South Fifth & Sixth ...
Significance: A high concentration of window, tableware, bottle and specialty glass plants distinguished Jeannette as "The Glass City" early in its history. Significant housing stock consists of company-built r... More
Chesapeake & Potomac Telephone Company Warehouse, 1111 North Capitol S...
Significance: The Chesapeake & Potomac Telephone Company Warehouse is significant for its role in the development and maintenance of Washington, DC's telephone network by the Chesapeake & Potomac (C&P) Telephon... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Pennsylvania Railway Ore Dock, Lake Erie at Whiskey Island, approximat...
Significance: When built, the Pennsylvania Railway Ore Dock was the largest ore-unloading dock on the Great Lakes. The dock featured four Hulett unloaders with bucket capacities of 17 tons; a 15-ton capacity o... More
Keggereis Ford Bridge, Spanning West Branch Conococheague Creek at Sta...
Significance: Keggereis Ford Bridge is a multiple-span reinforced concrete arch bridge built by a regionally significant bridge contractor. It is of engineering interest for its rib arch design and its relativ... More
River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hal...
Significance: The River Road Bridge is technologically and historically significant as a rare surviving example of a pin-connected Pratt through truss from the period of circa 1880 to 1910; in Pennsylvania Depa... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
New Haven Rail Yard, Central Steam Plant and Oil Storage, Vicinity of ...
Significance: The Central Steam Plant is significant as an important component of the New Haven Railroad's maintenance and repair facilities. It was built during a time of thriving passenger service, a period ... More
New Haven Rail Yard, Central Steam Plant and Oil Storage, Vicinity of ...
Significance: The Central Steam Plant is significant as an important component of the New Haven Railroad's maintenance and repair facilities. It was built during a time of thriving passenger service, a period ... More
Sunday River Bridge, Spanning Sunday River, Newry, Oxford County, ME
Significance: Sunday River Bridge is a very well executed speciment of the bridge truss designed in the 1840s by Peter Paddleford of Littleton, New Hampshire. This truss became the dominant style in covered br... More
Baltimore & Ohio Railroad, Harpers Ferry Station, Potomac Street, Harp...
Significance: The train station at Harpers Ferry provides an excellent opportunity to study the relationship between railroad engineering and railroad economics. Designed by architect E. Francis Baldwin, the s... More
Bennett's Mill Bridge, Spanning Tygart's Creek, East Tygart's Creek Ro...
Significance: The Bennett's Mill Bridge is the sole surviving Wheeler truss covered bridge in the United States. Patented in 1870 by Isaac H. Wheeler of Scioto County, Ohio, this unusual truss design never mad... More
Douglas Aircraft Company Long Beach Plant, Aircraft Parts Receiving & ...
Significance: Building No. 5 is one of 18 contributing buildings and two features to the Douglas Aircraft Company Long Beach Plant historic district. Activities associated with the district significantly contr... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
Shiloh National Military Park Tour Roads, Shiloh, Hardin County, TN
Significance: Shiloh National Military Park is one of the earliest national battlefield parks. The 3,972 acre park is located in rural Hardin County in southwestern Tennessee. It was established in 1894, makin... More
River Drive Overpass, Spanning River Drive (County Route No. 507) at U...
Significance: The River Drive Overpass is a typical example of a single span, multiple stringer, encased steel highway overpass built during the tenure of Morris Goodkind, chief bridge engineer for the New Jers... More
River Drive Overpass, Spanning River Drive (County Route No. 507) at U...
Significance: The River Drive Overpass is a typical example of a single span, multiple stringer, encased steel highway overpass built during the tenure of Morris Goodkind, chief bridge engineer for the New Jers... More
Erie Railway, Bergen Hill Open Cut, Palisade Avenue to Tonnele Avenue,...
Unprocessed Field note material exists for this structure: N1374 Survey number: HAER NJ-22
Erie Railway, Bergen Hill Open Cut, Palisade Avenue to Tonnele Avenue,...
Unprocessed Field note material exists for this structure: N1374 Survey number: HAER NJ-22
Douglas Aircraft Company Long Beach Plant, 3855 Lakewood Boulevard, Lo...
Significance: As the Douglas Aircraft Company Long Beach plant, the facility made a significant contribution to the development of the aviation industry in southern California. It was constructed as a critical... More
Douglas Aircraft Company Long Beach Plant, 3855 Lakewood Boulevard, Lo...
Significance: As the Douglas Aircraft Company Long Beach plant, the facility made a significant contribution to the development of the aviation industry in southern California. It was constructed as a critical... More
Flint Bridge, Spanning First Branch White River, Bicknell Hill Road, T...
Significance: Flint Bridge is a well-built example of the queenpost truss, an important style of timber framing with a history going back to the Middle Ages. The bridge is also significant because of the sympa... More
Gowen Field, Recreation Building, 303 Fourth Avenue, Boise, Ada County...
Significance: This building is one of the only remaining World War II properties at Gowen Field that retains a high level of integrity and evokes the wartime era that distinguished the installation's service. ... More
Gowen Field, Recreation Building, 303 Fourth Avenue, Boise, Ada County...
Significance: This building is one of the only remaining World War II properties at Gowen Field that retains a high level of integrity and evokes the wartime era that distinguished the installation's service. ... More
East Broad Top Railroad, Saltillo Station, Along the East Broad Top Ra...
Significance: Although the East Broad Top Railroad established train service to Saltillo in 1874, the railroad's existing station building was constructed in 1892. The building was altered in 1908-09; but its p... More
Radar Station B-71, Operations Building, Coastal Drive, Klamath, Del N...
Significance: The Operations Building served as the housing for the station's radar equipment. The building's true purpose was effectively disguised from casual passersby and enemies by its location on a terra... More
Mystic River Bridge, Spanning Mystic River at U.S. Route 1, Groton, Ne...
Significance: The Mystic River Bridge is significant as an example of the Brown Balance Beam Bascule, an innovative design that raised movable-bridge technology to a new level of refinement in the early 20th ce... More
Saugatuck, James River Reserve Fleet, Newport News, Newport News, Virg...
Significance: Saugatuck is representative of the T2-SE-A1 tanker class, which became the workhorse for the U.S. Navy during World War II. There were 481 tankers constructed in this category under the U.S. Mari... More
Gilpin's Falls Covered Bridge, Spanning North East Creek at Former (By...
Report includes engineering analysis of Burr arch truss. Significance: For almost two centuries, from 1735 until 1926, this site was used for water-powered industries. Erected in 1860 by local bridge builder J... More
Hawaii Volcanoes National Park Roads, Volcano, Hawaii County, HI
See Thurston Lava Tube, HALS HI-6, for additional documentation. Significance: The Hawaii Volcanoes National Park road system provides access to active volcanoes and related landscapes along with varied ecosyst... More