Vallecito Dam Construction Project

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: Looking downstream in spillway channel (5); Looking downstream in spillway channel from station 7+35., Original photo number: Pine R - 380

: Looking downstream in spillway channel (6); Looking downstream in spillway channel from right side at sta. 14+40. Note backfilling operations along right wall., Original photo number: Pine R - 402

: Looking into piezometer terminal well; Looking down into piezometer terminal well, showing pump, valves, and gauge. Refer to Drawing No. 191-D-227, Test apparatus installation., Original photo number: Pine R - 130 a, b, & c

: Looking toward left abutment; Looking toward left abutment from sta. 14+60 in cut-off trench. Excavation for trench across the river is complete and ready for refilling., Original photo number: Pine R - 061

: Looking toward left abutment (1); Looking toward left abutment along alignment of secondary cut-off trench from axis station 16+00. The trench has been refilled with compacted embankment in foreground., Original photo number: Pine R - 147

: Looking toward left abutment (2); Looking toward left abutment from end of secondary cut-off trench opposite station 16+50, showing embankment placing operations in old river channel., Original photo number: Pine R - 150

: Looking toward left abutment (3); Looking toward left abutment from station 16+50. Placing impervious embankment in old river channel., Original photo number: Pine R - 091

: Looking toward left abutment along upstream face; Looking along upstream face of dam toward left abutment from station 24+00. Bulldozer is being used to place riprap after being dumped from trucks. Note small average size of pieces compared with hat in foreground., Original photo number: Pine R - 032

: Looking toward left abutment from concrete plant; Looking toward left abutment from top of concrete mixing plant. Smoke is caused by clearing operations on left side of river. Material being rolled in foreground is the semi-pervious (No. 3) section of the dam., Original photo number: Pine R - 116

: Looking toward left abutment from stair shaft; Looking toward left abutment from top of stair shaft at 37+00, 20 ft. upstream from axis, showing different types of soil used in fill., Original photo number: Pine R - 071

: Looking toward right abutment; Looking toward right abutment in bottom of cut-off trench from station in 10+50. Note sand deposit on left side., Original photo number: Pine R - 124

: Looking toward right abutment; Looking toward right abutment from station 19+50, 30 ft. right of axis at the upstream No. 2 section of embankment. To the right of this section are piled the cobbles recovered from one lift of embankment in the upstream part of No. 2 zone. This section was approximately 50 feet wide when the photograph was taken., Original photo number: Pine R - 105

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