Vallecito Reservoir, Colorado Archive Search Results
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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.
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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.
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Looking upstream in outlet conduit from a point on the right rim near the intersection with the cut-off trench.
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Looking downstream in outlet channel from sta. 14+50, showing construction of drainage system under the channel floor. Spillway cut is seen in background.
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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
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Caterpillar RD-8 bulldozer bogged down in excavation for the outlet works at station 13+40.
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Looking upstream in outlet channel. Intersection with spiral channel is in immediate foreground.
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Looking upstream along centerline of outlet channel. Picture taken at 11:45 AM, a few minutes before water flowed over weir wall. Standing on temporary bulkhead from left to right - C. A. Burns, H. F. Bahmeier, and F. F. Smith.
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Looking downstream along centerline of outlet channel from a point on downstream slope of embankment. Pump houses on each side are for contractor's water supply. Refer to Pine R - 233
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Looking upstream along centerline of outlet channel. Approximately 600 second-feet discharge over weir. Refer to Pine R - 277.
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Looking downstream in spillway from station 17+50. Excavation of rock ridge which crossed spillway between stations 1+00 and 21+00 is seen in center.
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Looking downstream along centerline of outlet channel from a point on downstream slope of embankment. Refer to Pine R - 230.
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Looking upstream along centerline of outlet channel from right side of spillway at station 16+20.
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Power shovel excavating rock from inlet channel to the spillway. Station 3+50.
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Excavation at right side of spillway near sta. 7+00. Le Tourneau is removing material which has been bladed off of slope with motor-grader seen in Pine R - 268.
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Looking downstream in spillway channel from sta. 2+25, showing rock excavation in vicinity of gate structure. Refer to Pine R - 201.
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Placing dumped riprap at right side of outlet for spillway channel.
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Spillway excavation in vicinity of station 3+50.
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Looking upstream in outlet conduit from sta. 13+75. Placing mechanically tamped embankment around conduit in foreground. Refer to Pine R - 183.
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Looking upstream at outlet portal of outlet conduit. Placing of cobble and rock fill at downstream toe of dam in foreground.