Dams--Design and construction--Vallecito Reservoir (Colo.)--Photographs Archive Search Results
Showing
81 - 100
of 433
, query time: 0.01s
Format:
Image
Placing concrete in spiral stairway and air shaft from elevation 7641 to 7649.5.
Format:
Image
Placing reinforcement in spiral stairway and air shaft.
Format:
Image
Dome of gate chamber and base of stair shaft after forms were stripped.
Format:
Image
Looking downstream in spillway channel from sta. 14+25. Excavation in foreground is too subgrade. Water appears to have been trapped by rock ridge seen in Pine R - 149.
Format:
Image
Looking upstream at excavation for spillway stilling basin. Taken from right side of spillway at sta. 30+50.
Format:
Image
Looking upstream at excavation for spillway stilling basin. Taken from right side of spillway at sta. 30+50.
Format:
Image
Looking upstream in spillway channel excavation. Shovel is working in stilling basin.
Format:
Image
Looking downstream in spillway channel from sta. 7+00. Le Tourneau in foreground is excavating material upstream from sta. 15+00. Placing of concrete walls can be seen below station 15+00.
Format:
Image
Placing dumped riprap on right side of spillway outlet channel. Darker colored rock was placed during 1939 season.
Format:
Image
Panorama looking upstream at spillway and river channels from spillway station 30+50. Placing of drains and fine grading for concrete on vertical curve and stilling basin floor can be seen at left.
Format:
Image
Looking upstream at spillway stilling basin from right side of channel at station 30+50. Backfill behind stilling basin walls has been completed. Refer to Pine R - 306
Format:
Image
Looking downstream at spillway stilling basin from left side of channel at sta. 26+30. Placing section of stilling basin wall in foreground. Refer to Pine R - 283.
Format:
Image
Panorama looking upstream at spillway and river channels from spillway station 30+50. Placing of drains and fine grading for concrete on vertical curve and stilling basin floor can be seen at left.
Format:
Image
Looking upstream at spillway from a point approximately 300 ft. downstream from end of structure. Discharge is estimated at 120-second feet.
Format:
Image
Looking upstream in outlet conduit from point opposite sta. 13+40 of the outlet conduit. Dragline is placing concrete in invert with a bottom-dump bucket.
Format:
Image
Placing concrete in outlet conduit between stations 10+64.17 and 10+96.83. Dump trucks haul concrete from the mixing plant and dump into the hopper which is lowered to the buggy deck with a small dragline.
Format:
Image
Looking upstream in outlet conduit from a point on the right rim near the intersection with the cut-off trench.
Format:
Image
Looking downstream in outlet channel from sta. 14+50, showing construction of drainage system under the channel floor. Spillway cut is seen in background.
Format:
Image
Looking upstream in outlet channel from station 15+50 of spillway. Intersection of outlet channel and spillway in immediate foreground. Refer to Pine R - 166
Format:
Image
Caterpillar RD-8 bulldozer bogged down in excavation for the outlet works at station 13+40.