Site preparation-- excavation operations [02]

View of the river, and a large section of the bank, which has been excavated.

1934-06-29

Site preparation-- excavation

View of a variety of heavy machines taking part in excavation operations

1935-08-21

Powerhouse construction--outlet tube gate

Outlet tube gate construction

1940-02-29

Powerhouse construction--laying plywood for pour in West Powerhouse

Residency No. 3, Specifications 2329, Unit R-3, Second Stage Concrete, Barrel Pour No. 9 to Elevation 977.0 and Pour No. 10 Elevation 978.87 Slab, Right Powerhouse. June 17, 1949. Contractor: Morrison-Knudsen Company, Inc. and Peter Kiewit Sons'...

1949-06-17

Powerhouse construction--wheelpit R-8

Wheelpit R-8 looking downstream from 965 step. East Powerhouse base.

1940-09-25

Construction of pipelines, syphons and tunnels--cleanup operations

South Coulee Dam--Cleanup placing operations on foundation, station 71+50 to 74+00. Narrow-drum roller is compacting Zone 1 and Zone 2 embankment upstream of cutoff wall. The dozer is preparing a ramp to facilitate cleanup work in inaccessible...

1947-07-23

Spillway and drum gate construction--riveting and welding face plates

Riveting and welding face plates on drum gate #1

1941-01-28

Spillway and drum gate construction--aligning drum gate hinges [02]

Men align drum gate hinges

1940-11-30

Installation of turbines and generators--school for rivitors [01]

Men appear to be playing a game while on break.

1941-01-21

Installation of turbines and generators--lowring a shaft into place [01]

Men sighting through bolt holes to line them up as 74 ton shaft is lowered into place.

1941-06-04

Installation of turbines and generators--scroll case in place

View of pit 6 showing scroll case in place. Photo taken from crane

1943-02-15

Site preparation-- breaking rock [01]

Men remove rock on steeper section of the river bank.

1938-07-26

Powerhouse construction--lowering tube

Lowering tube for placement in outlet works at elevation 1137.

1940-01-02

Powerhouse construction--pit #7 in West Powerhouse

Looking up from pit #7 in West Powerhouse--natural illumination

1941-02-14

Spillway and drum gate construction--drum gate and arch

Man stands on the drum gate arch to give scale.

1941-12-03

Spillway and drum gate construction--arches over spillway

View of all of the spillway arches.

1941-07-31

Spillway and drum gate construction--men work on drum gate

Men stand on girder during drum gate construction

1941-01-21

Spillway and drum gate construction--aligning drum gate hinges [01]

Men align drum gate hinges

1940-11-30

Construction of pipelines, syphons and tunnels--power tamping operations

South Coulee Dam--Zone I power tamping operations in cross-channels downstream from the cut-off wall, station 27+50

1947-07-09

Installation of turbines and generators--lowering the thrust

Part of the assembly of thrust bearing for generator Shasta L-8 being lowered into position

1943-03-23

Installation of turbines and generators--rotor being installed [02]

Lowering the L-7 rotor into place

1942-02-02

Installation of turbines and generators--lowring a shaft into place [02]

Lower face is shaft to water wheel--upper face is 74 ton shaft connecting to rotor shaft. Shaft above is being lowered into place. The two faces are being carefully cleaned and inspected to insure perfect union. There does not dare be any metal...

1941-06-04

Equipment for construction, transportation, and maintenance--transporting spider to...

Transporting spider to the powerhouse--Grand Coulee in background.

1941-02-17

Equipment for construction, transportation, and maintenance--interior view of Shasta Unit

This picture is an interior view of the Allis-Chalmers governor for Shasta unit U1 in L7 position showing the speedball motor, relay, and operating linkages

1943-02-24

Site preparation--excavating the diversion channel

A 5-yard electric shovel and 10-yard buggies working in the diversion channel

1936-08-01