Content Description From the Collection:

This collection contains the unbound pages of a photograph album, following the construction of the Teton Dam in Idaho. Included are captions with details of location, subject, and photographer. Most of the photos were taken by Bruce Beckley and R. Weisser, and P. Aberle, B. Bockstruck, W. Andrew, J. Ringel, R. Pittard, B. Holbert, L. Rogers, G. Brannson.

Scope and Contents

Page 9a: Two Greyscale Photos [10/5/71] View of downstream portal of River Outlet Works. [10/5/71] View of bottom of canyon at dam axis. Page 9b: Two Greyscale Photos [10/5/71] View of Test Pit C-202. [10/5/71] View of Test Pit C-201.

Scope and Contents

Page 10a: Two Greyscale Photos [10/25/72] View of grout cap excavation station 11+60 to 11+85 in Foundation Key trench. [10/25/72] Workers are scaling Foundation Key trench walls between station 11+95 to 12+50. Page 10b: Two Greyscale Photos [1/18/73] View of Foundation Key trench in right abutment. [2/1/73] View of unstable rock conditions caused by undercutting by contractor above right abutment access road approximately 300 ft. upstream from station 15+00 on right abutment Keyway.

Scope and Contents Page 11a: Two Greyscale Photos [2/22/73] View looking down Foundation Key trench on right abutment from approximate station 12+00 to 14+00. [2/8/73] View of two laborers scaling loose rock approximately 100 ft. upstream of station 13+00 on Foundation Keyway. Page 11b: Two Greyscale Photos [3/20/73] View of rock conditions on the right abutment taken from about Station 14+75, 75 feet upstream of the foundation key trench. [3/20/73] View of rock conditions on the right abutment at about...

Scope and Contents Page 12a: Two Greyscale Photos [3/20/73] View of Contractor’s employees using an air hose to remove loose rock from the grout cap excavation at about Station 13+50 of the grout cap in the foundation keyway trench on the right abutment. [6/28/73] View of Grout Cap Tench in right keyway trench area Station 11+50 to 12+60. Page 12b: Two Greyscale Photos [6/25/73] View of right keyway trench and cutoff trench, Station 11+50 to 22+50, centerline of dam. [6/25/73] View of downstream wall of right...

Scope and Contents

Page 13a: Two Greyscale Photos [6/25/73] View of upstream wall of right keyway trench. [6/26/73] View showing placement of Zone 2 material, Station 17+50 to 18+50 100 feet to 600 feet downstream from centerline of dam. Page 13b: Two Greyscale Photos [7/2/73] View of keyway trench on right abutment, and Zone 5 and Zone 2 excavation in cutoff trench. [7/11/73] View of right abutment after Zone 5 material has been removed and scalers are cleaning up.

Scope and Contents Page 14a: Two Greyscale Photos [7/12/73] View of grout cap trench, Station 11+31.8 to 11+42.5 showing “J” bars after being grouted in place. [7/16/73] View of grout cap trench after concrete has been placed, Station 10+31.8 to 11+42.5. Page 14b: Two Greyscale Photos [7/19/73] View of right foundation keyway trench and Zone 5 stockpile, also showing portion of spillway area. [7/19/73] View of where Zone 4 material has been excavated down to bedrock overhand, Station 17+50 to 17+75 from 100...

Scope and Contents

Page 15a: Two Greyscale Photos [8/8/73] View of right abutment showing overhanging rock ledge at Elevation 5006.0 before being shot. [8/9/73] View of right abutment and cleaning up work still being done. Page 15b: Two Greyscale Photos [8/13/73] View of right abutment and two air drills line drilling overhanging rock ledge. [8/21/73] View of clay layers approximately 20 feet upstream from centerline of dam, Station 19+50 to 18+75.

Scope and Contents

Page 16a: Two Greyscale Photos [8/21/73] View of water seeping out of pervious material (sand and gravel) above clay bed, 210 feet upstream from centerline of dam, Station 22+30 to 22+50. [9/27/73] View of the cutoff trench showing grout cap complete across bottom. Page 16b: Two Greyscale Photos [9/17/73] Grout cap trench, Station 17+80 to 19+20. [8/22/73] View of grout cap trench after drilling, Station 17+50 to 17+75.

Scope and Contents Page 17a: Two Greyscale Photos [9/26/73] View of Contractor getting ready to place concrete in grout cap trench Station 16+49 to 16+28. [10/24/73] View of laborers hand compacting backfill around toe drain pump sump at Station 19+70, 175 feet upstream from center line of dam. Page 17b: Two Greyscale Photos [10/9/73] View of grout cap looking toward right abutment in Cutoff Trench. [10/18/73] View of second load of Zone 1 material placed in Cutoff Trench with conveyor contractor has set...