Grand Coulee Dam Outlet Works

Department of the Interior: Bureau of Reclamation Columbia Basin Project - Washington Grand Coulee Dam Outlet Works - El. 1136.67 102" Ring seal gate conduits installation

1937-10-22
2024-11-22

Plan for Sanitary Disposal of Sewerage

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Sanitary Sewer Layout

1934-03-26
2024-11-22

Excavation Plan and Sections No. 1

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Columbia River Dam Excavation Plan and Sections Schedule No. 1

1933-10-18
2024-11-22

M.W.A.K. Columbian (Safety News letter): Volume Three Number Forty Two

Third Volume, Forty Second issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam.

2024-11-22
2024-11-22

Plan for Storage Reservoirs and a Chlorination Plant

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Water System Storage Reservoir and Chlorination Plant

1934-02-07
2024-11-22

Grand Coulee Dam from the south bank looking north, Washington, 1942

Caption on verso: Grand Coulee Dam, Coulee from south bank looking north. G. Asahel Curtis Studio 1942. 590-1

[Grand Coulee Dam 462]

2024-11-22

Towns of Grand Coulee and Coulee Center, June 8, 1937

Album leaf 116: Town 6/8/37

Three construction towns of Grand Coulee, Coulee Center and Coulee Heights were used during the building of Grand Coulee Dam, later merged into the town of Grand Coulee.

PH Coll 238.116

2024-11-22

Grand Coulee Township

This view is looking west over part of the town of Grand Coulee, and Coulee center, as it appeared in 1937. During the CBI contract the towns around the dam were congested to the point that it was almost impossible to find a room in which to...

2024-11-22
2024-11-22

Transfer-Skip

Consolidated Builders' railroad car transfer-skip. Built on the left abutment of the dam, this inclined skipway lowers or raises railroad cars between the U.S. Construction Railroad at elevation 1310 and the trestle deck at elevation 1180.

1938-11-18
2024-11-22

East End Blocks

Blocks between high and low trestles, looking west. Cooling pipes on floor of blocks.

1937-04-23
2024-11-22

Excavation Debris Disposal

Much of the rock excavated from the dam foundation was placed along the downstream river banks as riprap. This item of riprap was bid at a $1.00 per cubic yard by MWAK and at $3.00 by CBI.

2024-11-22

New Cement Mixing Plant

The twin mix plant was erected downstream from the right abutment of the dam at the el. 1180 level.

1938-07-09
2024-11-22

Downstream Cross-River Cofferdam Construction

Placing cribs in downstream cross-river cofferdam and removing section "H" of west cofferdam. Aggregate conveyor suspension bridge in the center.

1936-11-20
2024-11-22

New Cement Mixing Plant

Erection of the mixing plants at the new location on the east side of the dam. In the right foreground is the old Eastmix used by Mason-Walsh-Atkinson-Kier Company.

1938-06-28
2024-11-22

Coulee Dam

Built here on the delta of Fiddle Creek is the model town of Coulee Dam, WA. or "Engineer's Town" and "Government Camp" as it was sometimes called. Its 134 dwellings are neatly patterned in a novel arrangement on an unusual site, nestling beneath...

2024-11-22

Dam and Power House Foundation

The dam and left power house foundation; high and low placing trestles; conveyor suspension bridge; and west cofferdam in the distance. Across the river, left, is shore-arm of downstream cofferdam - additional crib being floated into place.

1936-12-02
2024-11-22

Constructing the Cross River Cofferdam

In the foreground removal of the upstream arm of the west cofferdam is well advanced. This will permit the river to flow on this side of the remaining part of the cofferdam when the cross-river cofferdams close off the main river channel. About...

2024-11-22

Construction in Winter

Winter scene, river frozen over. Cat-walk in lower right, temporary pile bridge in upper part ; overhead is suspension bridge carrying aggregate conveyor to westmix and the west cofferdam.

1936-02-01
2024-11-22

Concrete Placement in Spillway Bucket

Dumping concrete in spillway bucket; invert elevation 870.

2024-11-22
2024-11-22

East Powerhouse Penstock Trashracks

Here is shown the first stages of the east powerhouse penstock trashracks. The portal transition forms at the head of the penstocks were the largest forms used on the job; weighing 13 tons and requiring more than 10,000 board feet of lumber....

2024-11-22

East Side Cofferdam Leak

This leak in the downstream corner of the east side cofferdam in March, 1937 threatened to flood the east side excavation area. A crisis was reached on March 19, 1937 when a vortex developed on the river side of the downstream cell cluster, and...

1937-04-13
2024-11-22

Pumping Plant Foundation

Following excavation and grouting of the pumping plant foundation, the first concrete pour was made on October 6, 1939

1939-10-06
2024-11-22

Excavation of Dam Site

A 25-yard rebuilt Woolridge buggy ready to dump on grizzly of tributary conveyor feeder.

1935-03-21
2024-11-22

Pouring Foundation of Grand Coulee Dam

Colby cantilever concrete placing crane and a Clyde-Wiley whirley on low trestle ready to begin pouring operations.

1935-11-30
2024-11-22

Constructing Coffer Dam with Steam Hammer

Placing a 6 1/2-foot-ton McKiernan steam hammer in pile driving.

1935-03-08
2024-11-22