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Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County Park), Plover, Portage County, WI

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County ...

Significance: Built by the State Highway Commission in 1927, the Eau Claire Dells Bridge is an early example of a stone faced, reinforced concrete span. The single arch, filled spandrel design uses locally gat... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.

Stone Bridge, CSAH 17 spanning Grand Portage Creek, Grand Portage, Cook County, MN

Stone Bridge, CSAH 17 spanning Grand Portage Creek, Grand Portage, Coo...

Significance: The Stone Bridge is significant for its association with the Civilian Conservation Corps-Indian Division (CCC-ID). Minnesota Chippewa enrolled in CCC-ID camps throughout the state, including the o... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County Park), Plover, Portage County, WI

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County ...

Significance: Built by the State Highway Commission in 1927, the Eau Claire Dells Bridge is an early example of a stone faced, reinforced concrete span. The single arch, filled spandrel design uses locally gat... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County Park), Plover, Portage County, WI

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County ...

Significance: Built by the State Highway Commission in 1927, the Eau Claire Dells Bridge is an early example of a stone faced, reinforced concrete span. The single arch, filled spandrel design uses locally gat... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County Park), Plover, Portage County, WI

Eau Claire Dells Bridge, Spanning Eau Claire River (Eau Claire County ...

Significance: Built by the State Highway Commission in 1927, the Eau Claire Dells Bridge is an early example of a stone faced, reinforced concrete span. The single arch, filled spandrel design uses locally gat... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder City, Clark County, NV

Hoover Dam, U.S. Highway 93 Nevada Segment, U.S. Highway 93, Boulder C...

Significance: This segment of U.S. Highway 93 was constructed by Six Companies, Inc., as a finishing element to Hoover Dam. The segment includes stone parapet walls built in 1932 that display extruded-mortar st... More

Little Crossings Bridge, National Road (U.S. Route 40) spanning Casselman River, Grantsville, Garrett County, MD

Little Crossings Bridge, National Road (U.S. Route 40) spanning Cassel...

Significance: Bridge construction began in late 1813 and proceeded through the summer of 1814 despite several delays due to increased rains. On November 16, 1814, workers successfully turned "the largest and w... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Stone Bridge, CSAH 17 spanning Grand Portage Creek, Grand Portage, Cook County, MN

Stone Bridge, CSAH 17 spanning Grand Portage Creek, Grand Portage, Coo...

Significance: The Stone Bridge is significant for its association with the Civilian Conservation Corps-Indian Division (CCC-ID). Minnesota Chippewa enrolled in CCC-ID camps throughout the state, including the o... More

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge, Spanning Merced River on service road, Yosemite Vil...

part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The National Park Service replaced bridges in Yosemite Valley with a series of rustic st... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Public domain photograph of Yosemite National Park, mountains, nature, free to use, no copyright restrictions image - Picryl description

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Pohono Bridge, Spanning Merced River on Yosemite Valley Road, Yosemite...

Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon County, ID

Boise Project, Deer Flat Embankments, Lake Lowell, Nampa, Canyon Count...

Significance: The Deer Flat Embankments, which impound Lake Lowell, are significant as the first large storage feature built by the U.S. Reclamation Service on the Boise Project, one of the largest of the early... More

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