Water diversion--Colorado--Pine River--Pictorial works--1938-1940 Archive Search Results
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Additional berm and blanket section on upstream face of dam between stations 13+00 to 18+50.
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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.
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Looking along axis towards centerline of spillway from an elevated position over the right bank.
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Looking along axis toward left abutment from centerline of spillway. (Photographic point No. 1). Upstream slope of embankment has been trimmed prepatory to placing riprap. Shelter in foreground is protecting the spiral stair shaft.
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Looking along axis toward left abutment from right bank of spillway. (Photographic Point No. 1). Forms from left wall of spillway gate structure in foreground. Refer to Pine R - 351.
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Looking along axis toward left from right bank of spillway. (Photographic point No. 1). Forms for spillway gate structure in foreground. Refer to Pine R - 318.
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Looking along axis toward left abutment from right bank of spillway. (Photographic Point No. 1). Average elevation of fill - 7660. Refer to Pine R - 385.
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Looking along axis toward left abutment from centerline of spillway. (Photographic point No. 1). Average elevation of embankment to right of temporary diversion channel is 7632 with good drainage slope toward upstream face. Refer to Pine R - 200.
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Panorama of river channel looking downstream from the top of the cofferdam, station 11+25, showing sand deposit to the right and left of river channel. Refer to Pine R - 120 a, b, & c.
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Panorama of river channel looking downstream from top of cofferdam at sta. 11+30. Cut-off trench excavation in foreground. Note sand deposits on each bank of river.
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Dressing slopes of cobble fill on downstream face of dam with dragline.
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Looking upstream at dam from point on left side of old river channel at sta. 12+00. Note transitions in slopes of cobble fill.
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Panorama of left abutment after clearing and stripping. Dragline is cleaning up preparatory to placing embankment in permanent cofferdam. Embankment seen in 82a is temporary cofferdam from waste material. Gravelly material on left bank is being used in inverted filter. Tripod supports sump pump. Taken from point 300 feet upstream from station 13+00.
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Looking across river channel toward right abutment from station 6+75. Timbering in test pit No. 11 is seen in partially excavated cut-off trench. Note sand deposits on each bank of the river.
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Panorama of river channel looking downstream from top of cofferdam at sta. 11+30. Cut-off trench excavation in foreground. Note sand deposits on each bank of river.
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Panorama of left abutment after clearing and stripping. Dragline is cleaning up preparatory to placing embankment in permanent cofferdam. Embankment seen in 82a is temporary cofferdam from waste material. Gravelly material on left bank is being used in inverted filter. Tripod supports sump pump. Taken from point 300 feet upstream from station 13+00.
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Looking across top of permanent cofferdam toward right abutment showing progress of filling the space between the two cofferdams. Refer to Pine R - 104.
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Bedrock in cutoff trench at right abutment as it looked when first exposed and before any rock excavations were done.
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Le Tourneau and bulldozer spreading waste material between temporary and permanent cofferdams.
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Panorama of river channel looking downstream from the top of the cofferdam, station 11+25, showing sand deposit to the right and left of river channel. Refer to Pine R - 120 a, b, & c.