C.B.I. Trestle Bridge

The Bethlehem Steel Co. laid the first closure beam of the C.B.I. trestle on Sept. 09, 1938, the juncture being over mid-river at block 50. The longest beams in this trestle were 97 feet long, 100 inches high, and weighed 38 tons. Upon...

1938-09-09
2024-04-19

Building Construction Railroad

Laying the rails of the construction railroad in the Grand Coulee just south of Eagle Rock. Upon completion of the railway in June of 1935, the contractor, David H. Ryan, received $269,533.97 for his work. On Oct. 01, 1934 the MWAK Co. let a...

2024-04-19

Scroll Case Elbow

Special elbows were required to connect a Shasta turbine scroll case in one turbine pit with a penstock in an adjoining pit because the Shasta turbines turned in a "left-handed" direction while the Grand Coulee units turn "right-handed. Each inlet...

1942-12-28
2024-04-19

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

Third Volume, Sixth 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.

2024-04-19
2024-04-19

Field Engineers

In spite of the enormous amount of tedious and exacting work they performed, as well as the utter dependence of all operations on the lines and elevations established by them, the field engineers and survey parties received relatively little...

2024-04-19

Pumping Plant Discharge Tunnel Excavation

Excavation in progress on the pumping plant foundations and in nine of the twelve pumping plant discharge tunnels.

1938-08-24
2024-04-19

Preparation for River Diversion

Removing cofferdam section and excavating in upper (south) end of passage way for river diversion over west end of dam foundation next year.

1936-08-25
2024-04-19

Aggregate Stock Piles

Raw stock pile at Brett pit. In distance is Mason City; and across river, Coulee Dam. Opening in escarpment is north end of the Grand Coulee.

1936-09-01
2024-04-19

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

Third Volume, Forty Sixth 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.

2024-04-19
2024-04-19

Passenger Boats

Miss Coulee; the first big passenger boat to go into service on the lake behind Grand Coulee Dam.

1940-07-08
2024-04-19

Pumping Plant Discharge Tunnel Excavation

Drilling completed for a round of blasting in a pumping plant discharge tunnel. This is the horizontal section of the tunnel and is 21 feet in diameter.

1938-07-26
2024-04-19

M.W.A.K. Columbian Safety News letter: Volume Three Number Four

Third Volume, Fourth 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.

2024-04-19
2024-04-19

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

Third Volume, Fiftieth 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.

2024-04-19
2024-04-19

Foundation Grout Sections

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Grand Coulee Dam: Foundation Grouting Sections

1935-11-06
2024-04-19

Prefabricated housing being assembled at worker camp and electrical poles being readied...

Ph Coll 866.1

Diamond Drill Exploration

Diamond drill explorations at the Narrows damsite in connection with pending litigation for right of way along the Spokane River.

1940-06-27
2024-04-19

Elevation and Sections-Grand Coulee Dam

Department of the Interior: Bureau of Reclamation Columbia Basin Project-Washington Grand Coulee Dam Concrete Cooling-Pipe System

1935-07-15
2024-04-19

Columbia Basin Project Safety News; vol. 4, no. 4

Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.

2024-04-19
2024-04-19

Columbia Basin Project Safety News; vol. 2, no. 2

Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.

2024-02-19
2024-04-19

Topographic Model of Columbia River Coulee Dam Site

The lecturer at the Government's West Vista House displays a model of the west cofferdam and west portion of the dam in the river diversion stage of construction.

2024-04-19
2024-04-19

African American worker in front of earth compactor at the Grand Coulee construction...

PH Coll 866.8

Heavy machinery grading a site, Grand Coulee Dam construction operations, ca. 1933-1941

Ph Coll 866.6

Street with automobiles in Grand Coulee, ca. 1934-1935

Printed on image: Leo's Studio, Spokane

PH Coll 809.12b

Four contruction crew quarrying crushed stone, Grand Coulee Dam construction...

Ph Coll 866.11

Construction vehicles at the Grand Coulee Dam site, 1934

PH Coll 809.32a