Browse Items (39 total)

  • Tags: CCC

val-371.jpg
"Looking upstream at spillway from a point approximately 300 feet downstream fro end of structure. Discharge is estimated at 120 second-feet."

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Aerial view of early days of the construction of the Vallecito Dam, north of Bayfield, Colorado

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"Face of cut in Borrow Pit No. 2, Area No. 2, station 59+75/12+00. Total cut is 21 feet. Layer of glacial till extends from about one foot below surface to about 10 below, and the lower 10 feet is gravel."

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A crane on supports and a dump truck beginning to build up the wall for the Vallecito Dam, north of Bayfield, Colorado.

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"Looking downstream at spillway gate structure from station 3/100, 110 feet right of centerline of spillway. (Photographic Point No. 6). Note tar paper panels for protecting concrete at right center."

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A man standing in the early days of earthmoving at the Vallecito Dam, north of Bayfield, Colorado.

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"Dragline excavating in Borrow Pit No. 2, station 56+75/12+50. Contractor chose to make two cuts in this area. Not face of first shovel out in background."

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"Completed excavation for placing lean mass concrete foundation under spillway inlet wall at left side, station 5+30 to 5+84. Note key trenches excavated in rock. Embankment cut-off wall in foreground will be extended to the mass concrete. Refer to…

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Men constructing the foundations for concrete to be poured at the Vallecio Dam north of Bayfield, Colorado.

val-299.jpg
"Looking toward right abutment from station 19/50, 30 feet right of axis at the upstream No. 2 section of embankment. To the right of this section are piled the cobbles recovered from one life of embankment placed in the upstream part of No. 2 zone.…

val-003 Dam construction.jpg
A view of several pieces of heavy machinery aiding in the construction Vallecito Dam north of Bayfield, Colorado

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Man using a pneumatic tool during the construction of the Vallecito Dam, north of Bayfield, Colorado.

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A man overlooking the spillway at the Vallecito Dam, north of Bayfield, Colorado.

Vallecito Dam.jpg
As part of the New Deal, the Civilian Conservation Corps (CCC) cleared the trees in the area for the Dam. The Dam itself was constructed by the United States Bureau of Reclamation.

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A panoramic photo view of the Vallecito Dam, north of Bayfield, Colorado.

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"Installation of copper tubing for piezometer connections at elevation 7640, station 11+75. Camera is about 53 feet downstream from axis."

val-349.jpg
"Close-up showing installation of piezometer tip at station 11+75, 45 feet upstream from axis, elevation 7640."

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A man pouring concrete during the construction of the Vallecito Dam north of Bayfield, Colorado.

val-337.jpg
"General view of rock quarry. Note large quantity of fragments and spalls at left side after blasting. Refer to Pine R-336."

val-393.jpg
"Rock excavation for right wall of spillway inlet structure, stations 5/100 to 5/29.89. Note rock slide just above and to right of form at lower left."

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"Screening plant erected by contractor to remove plus 5-inch stones from earth borrow materials."

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"Sheepsfoot roller compacting upstream No. 2 material at station 20/25, 30 feet upstream from dam axis. The moisture content of this material is approximately 1.5% below optimum moisture."

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A Sheesfoot or tamping roller working at the construction of the Vallecito Dam, north of Bayfield, Colorado.

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"Looking at downstream slope of embankment from a point in the old river channel about 600 feet downstream from axis. Slope near the crest of dam has not been graded. Note piezometer well cover at station 11+75 in center of picture."

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Trestle spanning the spillway during the construction of the Vallecito Dam, north of Bayfield, Colorado.

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Concrete being poured to construct the spillway at the Vallecito Dam north of Bayfield, Colorado

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"Looking along axis toward left abutment from right bank of spillway (Photographic point No. 1). Excavation at left foreground is for completion of cutoff wall and placing lean concrete foundation under spillway inlet channel floor."

val-372.jpg
"Looking upstream along spillway and outlet channel front point 92 feet right of spillway centerline at station 17+00."

val-438.jpg
"Steel truss bridge constructed over branch of Vallecito Creek at station 261+62 on relocated road."

val-398.jpg
"Looking upstream at spillway gate structure from right side at station 9+27. Refer to Pine R-334."

val-270.jpg
"Looking upstream at cofferdam construction in temporary diversion channel. Bridge is just upstream from toe of dam."

val-324.jpg
"Looking toward right abutment from axis station 0+00. (Photographic point No. 3). Note excellent condition of embankment for hauling equipment."

val-014.jpg
View from the sky of the nearly finished Vallecito Dam, north of Bayfield, Colorado.
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