Weekly Paychecks

Receiving weekly pay checks at contractor's office.

1936-07-07
2024-11-22

Cross-River Cofferdam

Shore-end of downstream cross-river cofferdam.

1936-09-01
2024-11-22

Stripping Brett Gravel Pit

Stripping at Brett gravel pit, using two LeTourneau 6-yard scrapers with a Caterpillar 75.

1935-05-24
2024-11-22

Outlet Works Blockouts

Blockouts completed for the elevation 934 outlet works conduit gates by the Mason-Walsh-Atkinson-Kier Company. They are 26'-10" x 30' in size, with floor elevation at 917.5 and the top at elevation 975. Due to the inability of the Hardie-Tynes...

1937-01-24
2024-11-22

Diversion Channels

Diversion channels through the dam, showing floe ice floating in river.

1937-01-07
2024-11-22

Cement Mixing Plant

Westmix concrete plant.

1936-06-01
2024-11-22

Wooden Barge Construction

Building a barge on east side. The town "Coulee Dam" across the river

1936-09-01
2024-11-22

Westmix Concrete Plant

The westmix concrete plant. Unloading level is at 1024, elevation of high trestle on the left. At the right is shown the skip transfer arrangement to low trestle, elevation 950.

1935-11-30
2024-11-22

Construction Equipment For West Cofferdam

Wood Gantry for six hammers in pile driving on west cofferdam

1935-03-08
2024-11-22

Diagram of Left Switch Yard

Grand Coulee Power Plant Left Switchyards-elec. Installation switching diagram.

1944-02-12
2024-11-22

Coulee Dam irrigation pumping plant and discharge pipes--placing reinforcing steel

Construction of the Pumping Plant Structure, Grand Coulee Dam, Coulee Dam, Washington. Installation of pumping unit P-2 discharge pipe, showing reinforcing steel being placed in concrete form is the square opening of the block out which extends...

1949-05-16

Excavation at Grand Coulee Dam Site

Excavation at dam site - looking east.

1934-04-02
2024-11-22

Placing concrete with cranes and trestles, Grand Coulee Dam construction, January 1936

Note on album leaf: Concrete placing. January 1936. Top of dam 280 ft. above high trestle deck.

PH Coll 239.21

2024-11-22

Bedrock behind west cofferdam, Grand Coulee Dam construction site, ca. 1937

Note on album leaf: Bedrock behind west cofferdam.

PH Coll 239.24

Excavation for West Side Cofferdam

Timber trusses between steel piling diaphragms in excavation for block 40.

1935-11-30
2024-11-22

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

Third Volume, Forty Seventh 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

Steel trestles for placing concrete in the foundation, Grand Coulee Dam construction...

Note on album leaf: Concrete in dam, June 1936. One millionth yard placed. Aug. 14, 1936.

PH Coll 239.22

2024-11-22

Pumping Plant Foundation Excavation

A rock crew working on the pumping plant foundation. A general program of blasting and excavating a successive series of benches, the back wall of which was trimmed to the specified slope of 1/4 to 1, was followed.

1938-07-26
2024-11-22

Jack-hammer crew drilling bedrock behind cofferdam, Grand Coulee Dam construction, ca....

Note on album leaf: Below river. Drillers safe from surging waters behind a protecting cofferdam

PH Coll 239.46

"Great Flood Channel"

This view from the west wall of the Coulee, with the southwestern part of the Hartline Basin in the background, shows the remains of the great flood channel cut as the torrent rushed toward the narrow outlet of the Hartline Basin to the right....

2024-11-22

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

Third Volume, Forty Fifth 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

M.W.A.K. Columbian (Safety News letter): Volume Three Number Thirty Seven

Third Volume, Thirty Seventh 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

Grand Coulee Dam: Progress at End of 1937

Upstream view of dam and elevation 1024 trestle. Suspension bridge with its center tower. Lower end of diversion channel in lower right corner. Down-stream cross-river cofferdam has been removed.

1937-12-21
2024-11-22

Organizational Chart

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam - Organization Chart May 1934

1934-05-01
2024-11-22

M.W.A.K. Columbian (Safety News letter); Volume Three Number Eight

"What I did Would Have Cost Buillions"

2024-11-22