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

Mason City Residences

Typical employees' residences in Mason City

1935-01-25
2024-05-01

Site preparation--excavating the diversion channel

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

1936-08-01

Powerhouse construction--West Powerhouse

West Powerhouse from Car Skip

1940-04-10

Powerhouse construction--concrete placement in powerhouse

Men working inside powerhouse

1939-01-20

Spillway and drum gate construction--eastern spillway arch

Close up view of men working on eastern spillway arch.

1941-07-15

Spillway and drum gate construction--concrete placing

Concrete placing in twist slot

1941-10-15

Installation of turbines and generators--placing scroll case

Placing scroll case section L1 W. powerhouse

1941-08-21

Equipment for construction, transportation, and maintenance--Grant pumps

Grant pumps and grant building

1941-01-29

Riverbanks and slope protection--interior of caisson drydock

Interior of caisson drydock showing rock that is being placed in bottom. Sand will be placed on top of rock and reinforced concrete atop the sand. The four piers form the resting place for the caisson

1944-11-29

page 13

THE ORDERLY DEVELOPMENT OF THE COLUMBIA RIVER HAS BEGUN 1938 14Bonneville Dam completed by the Corps of Engineers of the U. S. Army. Freight traffic on the river begins to mount. By 1939, the tonnage of commodities passing through Bonneville lock...

2004-06-24

Government Worker Camps

Government Camp in the foreground. South end of contractor's camp across the river.

1934-10-05
2024-05-01

1942

Daily log of Glover's work on water projects throughout the U.S. West in 1942 and time book that belonged to Fred Cornwell, USBR

2024-05-01
2007-01-03
2007-01-03

Site preparation-- breaking rock [03]

View of men breaking up rock for excavation operations.

2024-05-01

Site preparation-- structures along bank

View from of excavation taken from across the river. Structures visible in the foreground.

1934-04-02

Powerhouse construction--transformer deck

Transformer deck at East Powerhouse

1941-12-29

Powerhouse construction--construction of the R-1 scroll case

Progress view of the stage of construction on the R-1 scroll case.

1948-08-17