In full view of some Rocky Mountain bighorn sheep, the roaring Stronti...
Title, date and keywords based on information provided by the photographer. Most of this takes place in plain sight of one of metropolitan Denver's favorite workout venues; the 6.2-mile Waterton Canyon Trail th... More
Leavenworth Ranger Station, Office No. 2084, Leavenworth Ranger Distri...
Significance: The Leavenworth Ranger Station Office #2084 is part of a thematic group listed on the National Register of Historic Places, comprised of U.S. Forest Service administrative structures built between... More
Bryce Canyon National Park Rim Road, State Highway 63 to Rainbow Point...
Significance: Development of the Bryce Canyon National Park Rim Road was promoted in part by the Union Pacific Railroad as a component in their plan combining train and automobile travel to create a "tourist lo... More
The humble Pelican Club Cabin at Big Creek cattle ranch on the Colorad...
Title, date and keywords based on information provided by the photographer. First photographed in 1919, the building was originally built and used by the U.S. Forest Service, likely as an out station where rang... More
The Taylor House in Glenwood Springs, Colorado
Title, date and keywords based on information provided by the photographer. Built in 1904, the fourquare-style house was the home of U.S. Rep. Edward Taylor, who authored the Taylor Grazing Act, New Deal legisl... More
Fishermen try their luck in the South Platte River as it crosses from ...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
The roaring Strontia Springs Dam in Douglas, County, Colorado, diverts...
Title, date and keywords based on information provided by the photographer. Most of this takes place in plain sight of one of metropolitan Denver's favorite workout venues; the 6.2-mile Waterton Canyon Trail th... More
Of note on the Waterton Canyon Trail in Waterton Canyon in Jefferson C...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Leavenworth Ranger Station, Office No. 2084, Leavenworth Ranger Distri...
Significance: The Leavenworth Ranger Station Office #2084 is part of a thematic group listed on the National Register of Historic Places, comprised of U.S. Forest Service administrative structures built between... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Round Lake Logging Dam, Flambeau River, South Fork, Park Falls, Price ...
Significance: The Round Lake Logging Dam is one of the few remaining early artifacts of Wisconsin's logging industry. It was built during the industry's log driving and log booming stages when cut timber was c... More
Bryce Canyon National Park Rim Road, State Highway 63 to Rainbow Point...
Significance: Development of the Bryce Canyon National Park Rim Road was promoted in part by the Union Pacific Railroad as a component in their plan combining train and automobile travel to create a "tourist lo... More
Bryce Canyon National Park Rim Road, State Highway 63 to Rainbow Point...
Significance: Development of the Bryce Canyon National Park Rim Road was promoted in part by the Union Pacific Railroad as a component in their plan combining train and automobile travel to create a "tourist lo... More
Inside the Pelican Club Cabin at Big Creek cattle ranch on the Colorad...
Title, date and keywords based on information provided by the photographer. First photographed in 1919, the building was originally built and used by the U.S. Forest Service, likely as an out station where rang... More
Stairs down to an old pulley system that once carried water-speed meas...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... 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
Office Bridge, Spanning North Fork of Middle Fork Willamette River, Ol...
Significance: Built in 1944 to provide access to the Westfir Lumber Company mill site, Office Bridge is the largest covered bridge in Oregon and a significant artifact of the state's lumber industry. It is one... More
Big Oak Flat Road, Between Big Oak Flat Entrance & Merced River, Yosem...
Significance: The second road to reach Yosemite Valley, the Big Oak Flat Road is significant for associations with early Yosemite transportation. Unprocessed Field note material exists for this structure: N838... More
The roaring Strontia Springs Dam in Douglas, County, Colorado, diverts...
Title, date and keywords based on information provided by the photographer. Most of this takes place in plain sight of one of metropolitan Denver's favorite workout venues, the 6.2-mile Waterton Canyon Trail th... More
Bikers and hikers take a break at a shelter along the 6.2-mile-long Wa...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Big Oak Flat Road, Between Big Oak Flat Entrance & Merced River, Yosem...
Significance: The second road to reach Yosemite Valley, the Big Oak Flat Road is significant for associations with early Yosemite transportation. Unprocessed Field note material exists for this structure: N838... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
A diversion dam slows the waters of the South Platte River in Waterton...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Rainier National Park Roads & Bridges, Longmire, Pierce County, ...
Significance: The Mount Rainier National Park road system reflects its evolution from a primitive road providing access to Paradise Valley into a modern system of scenic highways and lesser access roads. The f... More
Hume Lake Dam, Sequioa National Forest, Hume, Fresno County, CA
Significance: Hume Lake Dam was the world's first reinforced a concrete multiple arch dam. Built to impound reservoir for the Hume-Bennett Lumber Company, today it is the only major surviving structure represe... More
Hume Lake Dam, Sequioa National Forest, Hume, Fresno County, CA
Significance: Hume Lake Dam was the world's first reinforced a concrete multiple arch dam. Built to impound reservoir for the Hume-Bennett Lumber Company, today it is the only major surviving structure represe... More
The humble Pelican Club Cabin at Big Creek cattle ranch on the Colorad...
Title, date and keywords based on information provided by the photographer. First photographed in 1919, the building was originally built and used by the U.S. Forest Service, likely as an out station where rang... More
Wildflowers along the wide trail in Waterton Canyon in Jefferson Count...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Distant view of the Strontia Springs Dam in Douglas, County, Colorado,...
Title, date and keywords based on information provided by the photographer. Completed in 1983, this dam towers 243 feet above the South Platte River streambed, forming a 1.7-mile-long lake with 98 surface acres... More
Leavenworth Ranger Station, Office No. 2084, Leavenworth Ranger Distri...
Significance: The Leavenworth Ranger Station Office #2084 is part of a thematic group listed on the National Register of Historic Places, comprised of U.S. Forest Service administrative structures built between... More
Leavenworth Ranger Station, Office No. 2084, Leavenworth Ranger Distri...
Significance: The Leavenworth Ranger Station Office #2084 is part of a thematic group listed on the National Register of Historic Places, comprised of U.S. Forest Service administrative structures built between... 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
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Young Rocky Mountain bighorn sheep rams calmly share the Waterton Cany...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Clearwater Beach Bathhouse, Noblett Lake Recreation Area, Clearwater B...
Significance: The Clearwater Beach Picnic Area, with the bathhouse, picnic shelter, associated buildings, lake and picnic area, is illustrative of the scenic settings found in the public works projects of the D... More
Clearwater Beach Bathhouse, Noblett Lake Recreation Area, Clearwater B...
Significance: The Clearwater Beach Picnic Area, with the bathhouse, picnic shelter, associated buildings, lake and picnic area, is illustrative of the scenic settings found in the public works projects of the D... More
Shem Dam, Along Santa Clara River on west side of County Road 3184, 0....
Significance: Shem Dam was built in 1934–35 by the Civilian Conservation Corps (CCC) as a project sponsored by the U.S. Forest Service, Dixie National Forest. The dam was designed by two Utah engineers: Luther ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Pineau Placer Mining Camp, Reservoir & Cabin, Goldcreek, Powell County...
Significance: The reservoir and cabin were constructed early in the 20th century by Gus Pineau, who mined placer gold in the area from the 1870 through the 1920s. The Pineau operation was the richest mine on Up... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Round Lake Logging Dam, Flambeau River, South Fork, Park Falls, Price ...
Significance: The Round Lake Logging Dam is one of the few remaining early artifacts of Wisconsin's logging industry. It was built during the industry's log driving and log booming stages when cut timber was c... More
Hume Lake Dam, Sequioa National Forest, Hume, Fresno County, CA
Significance: Hume Lake Dam was the world's first reinforced a concrete multiple arch dam. Built to impound reservoir for the Hume-Bennett Lumber Company, today it is the only major surviving structure represe... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Bryce Canyon National Park Rim Road, State Highway 63 to Rainbow Point...
Significance: Development of the Bryce Canyon National Park Rim Road was promoted in part by the Union Pacific Railroad as a component in their plan combining train and automobile travel to create a "tourist lo... More
The humble Pelican Club Cabin at Big Creek cattle ranch on the Colorad...
Title, date and keywords based on information provided by the photographer. First photographed in 1919, the building was originally built and used by the U.S. Forest Service, likely as an out station where rang... More
In full view of some Rocky Mountain bighorn sheep, the roaring Stronti...
Title, date and keywords based on information provided by the photographer. Most of this takes place in plain sight of one of metropolitan Denver's favorite workout venues, the Waterton Canyon Trail, where bicy... More
A "water landmark" in the (mostly) ghost town of Kassler in Waterton C...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Young Rocky Mountain bighorn sheep rams within a few yards of human ou...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Fishermen try their luck in the South Platte River as it crosses from ...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Bikers and hikers take a break at a shelter along the 6.2-mile-long Wa...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Leavenworth Ranger Station, Office No. 2084, Leavenworth Ranger Distri...
Significance: The Leavenworth Ranger Station Office #2084 is part of a thematic group listed on the National Register of Historic Places, comprised of U.S. Forest Service administrative structures built between... 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
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Round Lake Logging Dam, Flambeau River, South Fork, Park Falls, Price ...
Significance: The Round Lake Logging Dam is one of the few remaining early artifacts of Wisconsin's logging industry. It was built during the industry's log driving and log booming stages when cut timber was c... More
Big Oak Flat Road, Between Big Oak Flat Entrance & Merced River, Yosem...
Significance: The second road to reach Yosemite Valley, the Big Oak Flat Road is significant for associations with early Yosemite transportation. Unprocessed Field note material exists for this structure: N838... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
The roaring Strontia Springs Dam in Douglas, County, Colorado, diverts...
Title, date and keywords based on information provided by the photographer. Most of this takes place in plain sight of one of metropolitan Denver's favorite workout venues; the 6.2-mile Waterton Canyon Trail th... More
Young Rocky Mountain bighorn sheep rams calmly share the Waterton Cany...
Title, date and keywords based on information provided by the photographer. Credit line: Gates Frontiers Fund Colorado Collection within the Carol M. Highsmith Archive, Library of Congress, Prints and Photograp... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... 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
Mount Gleason Nike Missile Site, Angeles National Forest, South of Sol...
Significance: The Mt. Gleason facility is significant for several reasons. It was the first Nike unit planned and constructed in the Angeles National Forest, and it operated for the longest period of time amon... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More
Grand Canyon Village Utilities, Grand Canyon National Park, Grand Cany...
Significance: The Atchison, Topeka & Santa Fe Railway Company (ATSF) was largely responsible for the development of Grand Canyon Village throughout the first half of the twentieth century. The railroad company... More