Sears Roebuck & Company Mail Order Plant, Merchandise Building, 924 So...
Significance: One of the first buildings completed for the Mail Order Plant in 1905-1906. It was designed by the nationally-known architectural firm of Nimmons & Fellows, with additions designed by successor f... More
Sears Roebuck & Company Mail Order Plant, Merchandise Building, 924 So...
Significance: One of the first buildings completed for the Mail Order Plant in 1905-1906. It was designed by the nationally-known architectural firm of Nimmons & Fellows, with additions designed by successor f... More
Wendover Air Force Base, Ice & Cold Storage, South of Interstate 80, W...
Survey number: HABS UT-125-AJ Building/structure dates: 1943 Initial Construction
Whiteman Air Force Base, Bomber Alert Facility S-6, 1300 Alert Road, K...
Significance: The S-6 Bomber Alert Facility is a reminder of the nation's state of defense preparedness during the height of the Cold War. As part of the Strategic Air Command, the bomber facility was designed... More
Whiteman Air Force Base, Bomber Alert Facility S-6, 1300 Alert Road, K...
Significance: The S-6 Bomber Alert Facility is a reminder of the nation's state of defense preparedness during the height of the Cold War. As part of the Strategic Air Command, the bomber facility was designed... More
Wendover Air Force Base, Dispensary, South of Interstate 80, Wendover,...
Survey number: HABS UT-125-BL Building/structure dates: 1943 Initial Construction
Whiteman Air Force Base, Minuteman Missile Launch Facility Trainer T-1...
Significance: Cold War missile development in the United States led to the necessity for a more rapid, yet economic system of retaliation than provided in the earlier Atlas and Titan systems. The Air Force fou... More
Whiteman Air Force Base, Minuteman Missile Launch Facility Trainer T-1...
Significance: Cold War missile development in the United States led to the necessity for a more rapid, yet economic system of retaliation than provided in the earlier Atlas and Titan systems. The Air Force fou... More
Gasconade Bridge, Spanning Gasconade River at State Route 100, Gascona...
Significance: The Gasconade Bridge is a well-preserved example of medium-scale, cantilevered truss construction in Missouri. Built as a toll bridge by a locally-based company, the bridge was an important early... More
Gasconade Bridge, Spanning Gasconade River at State Route 100, Gascona...
Significance: The Gasconade Bridge is a well-preserved example of medium-scale, cantilevered truss construction in Missouri. Built as a toll bridge by a locally-based company, the bridge was an important early... More
Williams-Hurley House, West side of First Street, South of Chalk Creek...
Significance: One of the original log cabins erected in 1880, in the initial boon. Illustrates log construction popular in Chalk Creek District in 1880: rounded logs, saddle notching, clapboard or vertical pla... More
McGraw Ranch, Beaver Cabin, McGraw Ranch Road, Estes Park, Larimer Cou...
Significance: Constructed in 1966, the Beaver Cabin is the last of the guest cabins built by the McGraw family. Survey number: HABS CO-175-F Building/structure dates: 1966 Initial Construction National Regis... More
Wendover Air Force Base, War Reserve Strategic Storage, South of Inter...
Survey number: HABS UT-125-CX Building/structure dates: 1944 Initial Construction
Trail of the Serpent, .4 miles fron East Entrance, Grand Junction, Mes...
Significance: Completed in 1921, Serpent's Trail was the only automobile access to Colorado National Monument until 1937, and continued to be the only access from the Grand Junction end of the monument until 19... More
Atchison, Topeka & Santa Fe Control Tower 19, Santa Fe Railway Milepos...
Significance: Control Tower 19 is the best preserved example of three early twentieth century interlocking plants remaining in Dallas and Tarrant Counties. The tower and two one-story sheds are built in the Cr... More
Main Street Bridge, Spanning Fox River at State Route 72, West Dundee,...
Significance: The Main Street Bridge is one of only two bridges which crosses the Fox River in Dundee Township. It is a contributing structure to the Dundee Township Historical District and is the only bridge ... More
Holter Hydroelectric Facility, Dam & Power House, End of Holter Dam Ro...
Significance: The Holter Hydroelectric Facility is significant for its association with the industrial development of Montana and the consolidation of most of the state's electric industry into The Montana Powe... More
Fort David A. Russell, Red Cross Building, Third Street between Randal...
Significance: The Red Cross Building was constructed in 1941-1942 to house the F.E. Warren Branch of the American Red Cross. Formed in 1941 with the outbreak of World War II, this auxiliary of the Red Cross's ... More
Stark Brothers Mercantile Company & Home Comfort Hotel, North side, We...
Significance: Probably the buildings most closely identified with St. Elmo during its final boom of c.1908-17 and during its decline after 1926. The Stark family was responsible for keeping the identity of St.... More
Gomez Canyon Pueblito, Gomez Canyon, Dulce, Rio Arriba County, NM
Significance: The pueblitos are small multi roomed masonry dwellings found in the Navajo homeland, or Dinetah region of northwest New Mexico. Dating from the early 17th century, the pueblitos are significant i... More
Gomez Canyon Pueblito, Gomez Canyon, Dulce, Rio Arriba County, NM
Significance: The pueblitos are small multi roomed masonry dwellings found in the Navajo homeland, or Dinetah region of northwest New Mexico. Dating from the early 17th century, the pueblitos are significant i... More
Ogden Arsenal, Standard Pelleting Magazine, East side of Ironwood, sou...
Significance: Building 1652 housed the Tetryl pelleting operations for fuzes used in 37mm anti-tank ammunition that was produced at Ogden Arsenal. The building provides particularly vivid images of the process... More
Wolf Point Bridge, Spanning Missouri River at State Highway 13, Wolf P...
Significance: The Wolf Point Bridge is the finest remaining example of a Pennsylvania through truss bridge in Montana. Completed in 1930, the four-span bridge is the most massive in the state and retains the l... More
Upper Kin Klizhin, Kin Klizhin Wash, Crownpoint, McKinley County, NM
Significance: The upper Kin Klizhin community centers on a rectangular sandstone structure associated with the Anasazi culture which flourished one thousand years ago in the Four Corners region of the American ... More
Ogden Arsenal, Warehouse-Assembly & Loading Line Building, 6325 Poplar...
Significance: Anti-tank ammunition was assembled in Building 2214, which provides particularly vivid images of the processes involved in the manufacture of munitions at Ogden Arsenal during World War II. This ... More
Three Bears Lake & Dams, West Dam, North of Marias Pass, East Glacier ...
Survey number: HAER MT-88-B Building/structure dates: 1902 Initial Construction
Bluebird Dam, On Ouzel Creek 7 miles west of Allenspark, Allenspark, B...
Significance: Completed ca. 1923, it is locally significant to Boulder County as an intact example of an early 20th century, and relatively uncommon, arch concrete dam. The dam documents an important engineerin... More
Bluebird Dam, On Ouzel Creek 7 miles west of Allenspark, Allenspark, B...
Significance: Completed ca. 1923, it is locally significant to Boulder County as an intact example of an early 20th century, and relatively uncommon, arch concrete dam. The dam documents an important engineerin... More
Bluebird Dam, On Ouzel Creek 7 miles west of Allenspark, Allenspark, B...
Significance: Completed ca. 1923, it is locally significant to Boulder County as an intact example of an early 20th century, and relatively uncommon, arch concrete dam. The dam documents an important engineerin... More
Museum Hill, Bounded by Jules, Sixteenth, Messanie & Ninth Streets, Sa...
Significance: Museum Hill is a distinct residential area of St. Joseph, Missouri, that has architecturally significant buildings and historically relates to growth of the city. The area is significant in the h... More
Vanadium Corporation of America (VCA) Naturita Mill, 3 miles Northwest...
Significance: From the early 1940s to the end of the Cold War, the mill played a prominent role in national and international events related initially to the U.S. Army's WWII Manhattan Project, and later to the... More
Ogden Arsenal, Change House, 6318 Oak Lane, Layton, Davis County, UT
Significance: Building 2202, the Change House for the East Loading Plant, provides particularly vivid images of the accommodations made for worker safety and welfare at Ogden Arsenal during World War II. Worke... More
Gould Wash Bridge, Spanning Gould Wash at State Route 9, Hurricane, Wa...
Significance: The Gould Wash Bridge, built by W.W. Clyde and Company of Springville, Utah under the supervision of George Adams, represents a good example of reinforced concrete T-beam bridge construction typic... More
S. W. Shattuck Chemical Company, Incorporated, Building No. 6, 1805 So...
Significance: The significance of the site arises from its role in processing various metals since 1918. At various periods of time, molyixlerum compounds, radium, uranium compounds, and rhenium were produced a... More
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Ogden Arsenal, Motor Repair Shop, 6135 Aspen Avenue, Layton, Davis Cou...
Significance: Motor vehicles were serviced in this building, which provides particularly vivid images of the processes involved in the maintenance activities that supported the overall operations of Ogden Arsen... More
Ralph Richterkessing Farm, Barn, 4600 I-70 North Service Road, Saint P...
Significance: This barn is a primary outbuilding that contributes to the agrarian setting and purpose of the Ralph Richterkessing farmstead. Survey number: HABS MO-1919-B Building/structure dates: ca. 1905 In... More
Ralph Richterkessing Farm, Barn, 4600 I-70 North Service Road, Saint P...
Significance: This barn is a primary outbuilding that contributes to the agrarian setting and purpose of the Ralph Richterkessing farmstead. Survey number: HABS MO-1919-B Building/structure dates: ca. 1905 In... More
Jerome Bridge, Spanning Gasconade River at Missouri State Route D, Jer...
Significance: The Jerome Bridge is a four-span pin-connected, Pratt through truss, and is significant as a relatively uncommon example of a multiple-span, pinned through truss. Built as a toll bridge by the Je... More
Jerome Bridge, Spanning Gasconade River at Missouri State Route D, Jer...
Significance: The Jerome Bridge is a four-span pin-connected, Pratt through truss, and is significant as a relatively uncommon example of a multiple-span, pinned through truss. Built as a toll bridge by the Je... More
National Home for Disabled Volunteer Soldiers Western Branch, 4101 Sou...
Significance: The former Western Branch of the National Home for Disabled Volunteer Soldiers was founded in 1885. It was the fifth in a a series of 11 branch institutions established between 1867 and 1929. Th... More
Elk River Bridge, Spanning Elk River at Main Street, Elk River, Sherbu...
Significance: The Elk River Bridge was the first major reinforced-concrete bridge erected in Sherburne County. The structure is an excellent, early example of state-sponsored, standard-plan, highway bridge des... More
Elk River Bridge, Spanning Elk River at Main Street, Elk River, Sherbu...
Significance: The Elk River Bridge was the first major reinforced-concrete bridge erected in Sherburne County. The structure is an excellent, early example of state-sponsored, standard-plan, highway bridge des... More
Pine River Reservoir Dam, Cross Lake, Crow Wing County, MN
Significance: The Pine River Dam is one of six Mississippi River Headwaters Reservoirs dam sites that are historically significant for their association with navigation, commerce, tourism, the Ojibway Indians, ... More
Moffat Station, 2101 Fifteenth Street, Denver, Denver County, CO
1988 Charles E. Peterson Prize, Honorable Mention Significance: The Moffat Station was the Denver terminus of the Denver, Northwestern and Pacific Railroad. David Moffat, an early Denver pioneer and businessma... More
Ogden Arsenal, Primer Loading Building for 37mm Shell Loading, 7726 No...
Significance: Primers for 37mm anti-tank ammunition were assembled in Building 2014, which is the only one of its kind on the Base. This building provides particularly vivid insight into the processes involved... More
Seventh Street Bridge, Spanning Chicago, St.Paul, Minneapolis,Omaha Ra...
Significance: The 7th Street Bridge was one of two remaining Howe truss bridges in Wisconsin identified in a 1981 survey. The other example was the Old Wells Road Bridge, which was also built by the Chicago, S... More
Seventh Street Bridge, Spanning Chicago, St.Paul, Minneapolis,Omaha Ra...
Significance: The 7th Street Bridge was one of two remaining Howe truss bridges in Wisconsin identified in a 1981 survey. The other example was the Old Wells Road Bridge, which was also built by the Chicago, S... More
Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...
Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More
Whiteman Air Force Base, Oscar O-1 Minuteman Missile Alert Facility, S...
Significance: During the Cold War years, the Nation's nuclear arsenal included 1,000 Minuteman missiles. The Oscar-01 Missile Alert Facility (MAF) at Whiteman Air Force Base (AFB) was an integral part of that ... More
Ogden Arsenal, Rest House, North side of North Carolina Lane, Layton, ...
Significance: This Rest House served the Primer Loading Plant, where primers for 37mm anti-tank ammunition were manufactured at Ogden Arsenal. The building provides particularly vivid images of the processes i... More
Ogden Arsenal, Rest House, North side of North Carolina Lane, Layton, ...
Significance: This Rest House served the Primer Loading Plant, where primers for 37mm anti-tank ammunition were manufactured at Ogden Arsenal. The building provides particularly vivid images of the processes i... More
Wendover Air Force Base, 847th Squadron Operations Building, South of ...
Survey number: HABS UT-125-V Building/structure dates: 1943 Initial Construction
Shaft House Pueblito, Cuervo Canyon, Dulce, Rio Arriba County, NM
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Shaft House Pueblito was one such refugee... More
Shaft House Pueblito, Cuervo Canyon, Dulce, Rio Arriba County, NM
Significance: The Pueblo Revolt of 1680 and subsequent Spanish reconquest of 1692 forced many Pueblo tribes to flee westward and seek temporary refuge with the Navajo. Shaft House Pueblito was one such refugee... More
Quick City Bridge, Spanning Big Creet at County Road 594, Quick City, ...
Significance: Between the early 1880s, when trusses superseded bowstrings, and the 1920s, when riveted connections replaced pinned, the pin-connected Pratt truss was the metal structure of choice for medium- an... More
Old Steel Bridge, Spanning Flathead River on Steel Bridge Road, Kalisp...
Significance: The Flathead River Bridge was the first large steel bridge constructed in northwestern Montana. As with many other late 19th century bridges, it replaces an earlier ferry operation. When complet... More
Old Steel Bridge, Spanning Flathead River on Steel Bridge Road, Kalisp...
Significance: The Flathead River Bridge was the first large steel bridge constructed in northwestern Montana. As with many other late 19th century bridges, it replaces an earlier ferry operation. When complet... More
Department of Energy, Grand Junction Office, Building No. 3022, 2597 B...
Survey number: HAER CO-87-G Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description
Frances Canyon Pueblito, Frances Canyon Rincon, Dulce, Rio Arriba Coun...
Significance: Frances Canyon Pueblito, one of the largest and best preserved Navajo pueblitos, was occupied after the Pueblo Revolt in 1680. This revolt broke the Spanish hold on Pueblo villages along the Nort... More
Frances Canyon Pueblito, Frances Canyon Rincon, Dulce, Rio Arriba Coun...
Significance: Frances Canyon Pueblito, one of the largest and best preserved Navajo pueblitos, was occupied after the Pueblo Revolt in 1680. This revolt broke the Spanish hold on Pueblo villages along the Nort... More
Ogden Arsenal, Black Powder Screening Building, 7745 Navajo Way, Layto...
Significance: Building 2002 housed the Black Powder screening and blending operations for primers used in 37mm anti-tank ammunition that was produced at Ogden Arsenal during World War II. The building provides... More
Wendover Air Force Base, 845th Squadron Operatons Building, South of I...
Survey number: HABS UT-125-Q Building/structure dates: 1942 Initial Construction
Ellsworth Air Force Base, Delta Flight, Launch Control Facility, Count...
Significance: The Ellsworth Air Force Base, Delta Flight Launch Control Facility served as the security control center for the entire Delta Flight, and as the command post for the ten dispersed missiles of the ... More
Ellsworth Air Force Base, Delta Flight, Launch Control Facility, Count...
Significance: The Ellsworth Air Force Base, Delta Flight Launch Control Facility served as the security control center for the entire Delta Flight, and as the command post for the ten dispersed missiles of the ... More
Ellsworth Air Force Base, Delta Flight, Launch Control Facility, Count...
Significance: The Ellsworth Air Force Base, Delta Flight Launch Control Facility served as the security control center for the entire Delta Flight, and as the command post for the ten dispersed missiles of the ... More
Ellsworth Air Force Base, Delta Flight, Launch Control Facility, Count...
Significance: The Ellsworth Air Force Base, Delta Flight Launch Control Facility served as the security control center for the entire Delta Flight, and as the command post for the ten dispersed missiles of the ... More
Klondike Road Bridge, Spanning Big River at Klondike Road, Morse Mill,...
Significance: The bridge is the longest and oldest of eight surviving pinned Camelback through truss bridges in Missouri. The bridge is also the fifth longest of all the pinned through truss bridges in the sta... More
Bar B C Ranch, Cabin No. 1394, 140' Northwest of North Lodge, Moose, T...
Survey number: HABS WY-92-E
Offutt Air Force Base, Looking Glass Airborne Command Post, Nose Docks...
Survey number: HAER NE-9-F Building/structure dates: 1958-1959 Initial Construction
Offutt Air Force Base, Looking Glass Airborne Command Post, Nose Docks...
Survey number: HAER NE-9-F Building/structure dates: 1958-1959 Initial Construction
Offutt Air Force Base, Looking Glass Airborne Command Post, Nose Docks...
Survey number: HAER NE-9-F Building/structure dates: 1958-1959 Initial Construction
Offutt Air Force Base, Looking Glass Airborne Command Post, Nose Docks...
Survey number: HAER NE-9-F Building/structure dates: 1958-1959 Initial Construction
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Offutt Air Force Base, Strategic Air Command Headquarters & Command Ce...
Significance: Following WWII, the U.S. participated in a series of military and political events known as the Cold War. As part of its response, the U.S. government formed the Strategic Air Command (SAC) in 194... More
Baxterville Bridge, Spanning Rio Grande River at Masonic Park Drive, S...
Survey number: HAER CO-76 Building/structure dates: 1932 Initial Construction Building/structure dates: 1957 Subsequent Work Building/structure dates: 1933 Building/structure dates: 1912 Subsequent Work B... More
Baxterville Bridge, Spanning Rio Grande River at Masonic Park Drive, S...
Survey number: HAER CO-76 Building/structure dates: 1932 Initial Construction Building/structure dates: 1957 Subsequent Work Building/structure dates: 1933 Building/structure dates: 1912 Subsequent Work B... More
Baxterville Bridge, Spanning Rio Grande River at Masonic Park Drive, S...
Survey number: HAER CO-76 Building/structure dates: 1932 Initial Construction Building/structure dates: 1957 Subsequent Work Building/structure dates: 1933 Building/structure dates: 1912 Subsequent Work B... More
Baxterville Bridge, Spanning Rio Grande River at Masonic Park Drive, S...
Survey number: HAER CO-76 Building/structure dates: 1932 Initial Construction Building/structure dates: 1957 Subsequent Work Building/structure dates: 1933 Building/structure dates: 1912 Subsequent Work B... More
Wilderness Tower Site, East of intersection of Missouri Highways 13 & ...
Significance: The Wilderness Tower Site is a Civilian Conservation Corps-built, U.S. Forest Service fire lookout station which included a 100-foot, standard plan, steel lookout tower, in addition to a towerman'... More
Ellsworth Air Force Base, Delta Flight, 10 mile radius around Exit 127...
Significance: Ellsworth Air Force Base, Delta Flight (Minuteman II ICBM) is an important icon of the American participation in the arms race and the Cold War. When the Soviet Union began to expand its boundarie... More
Ellsworth Air Force Base, Delta Flight, 10 mile radius around Exit 127...
Significance: Ellsworth Air Force Base, Delta Flight (Minuteman II ICBM) is an important icon of the American participation in the arms race and the Cold War. When the Soviet Union began to expand its boundarie... More
Ellsworth Air Force Base, Delta Flight, 10 mile radius around Exit 127...
Significance: Ellsworth Air Force Base, Delta Flight (Minuteman II ICBM) is an important icon of the American participation in the arms race and the Cold War. When the Soviet Union began to expand its boundarie... More
Ellsworth Air Force Base, Delta Flight, 10 mile radius around Exit 127...
Significance: Ellsworth Air Force Base, Delta Flight (Minuteman II ICBM) is an important icon of the American participation in the arms race and the Cold War. When the Soviet Union began to expand its boundarie... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
Warner Plaza, 8 Warner Plaza, Kansas City, Jackson County, MO
Survey number: HABS MO-1893-B Building/structure dates: 1926 Initial Construction
Wendover Air Force Base, Control Tower, South of Interstate 80, Wendov...
Survey number: HABS UT-125-J Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description
Geraldine Lucas Homestead, Russell Lucas Cabin, West bank Cottonwood C...
Survey number: HABS WY-113-B Building/structure dates: 1925- 1930 Initial Construction
Carlsbad Irrigation District, McMillan Dam, On Pecos River, 13 miles N...
Significance: The Pecos Irrigation and Improvement Company constructed McMillan Dam in 1893 as part of an overly-ambitious plan to irrigate hundreds of thousands of acres in the Pecos Valley. The reservoir cre... More
Carlsbad Irrigation District, McMillan Dam, On Pecos River, 13 miles N...
Significance: The Pecos Irrigation and Improvement Company constructed McMillan Dam in 1893 as part of an overly-ambitious plan to irrigate hundreds of thousands of acres in the Pecos Valley. The reservoir cre... More
Carlsbad Irrigation District, McMillan Dam, On Pecos River, 13 miles N...
Significance: The Pecos Irrigation and Improvement Company constructed McMillan Dam in 1893 as part of an overly-ambitious plan to irrigate hundreds of thousands of acres in the Pecos Valley. The reservoir cre... More
Vanadium Corporation of America (VCA) Naturita Mill, Mill Warehouse, 3...
Significance: Built ca. 1940, the warehouse was used to store a wide variety of milling machinery parts and equipment. Over the years, such items as nuts and bolts, ball bearings, assorted tools, replacement pa... More
Bar B C Ranch, Cabin No. 1391, Adjacent to North Lodge, Moose, Teton C...
Survey number: HABS WY-92-B
Department of Energy, Grand Junction Office, Building No. 20, 2597 B3/...
Survey number: HAER CO-87-K Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description