Floor Plan for Four Room Residence at Dam Work Site-Type 2-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 2 Floor Plans & Sections

1934-05-29
2024-05-02

Drawing of Elevation of Three Room Worker Housing-Type 1-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 1 Elevations

1934-05-29
2024-05-02

Floor Plan for Government Grade School at Grand Coulee Dam Work Camp

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Floor and Roof Plans

1934-08-06
2024-05-02

Drawing of Elevations for Government Grade School at Grand Coulee Dam Work Camp

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Exterior Elevations

1934-08-06
2024-05-02

Plot Plan for Government Grade School at Grand Coulee Dam Work Camp

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Plot Plan

1934-08-06
2024-05-02

Drawing of Elevation of Four Room Worker Housing- Type 3-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp Three Room Residence Type 3 Elevations

1934-05-29
2024-05-02

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.

2024-04-02
2024-05-02

Floor Plan for Four Room Residence at Dam Work Site-Type 3-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 3 Floor Plans & Sections

1934-05-29
2024-05-02

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.

2024-02-02
2024-05-02

Drawing of Elevation of Four Room Worker Housing-Type 2-

Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Three Room Residence Type 2 Elevations

1934-05-29
2024-05-02

Graph of Area, Capacity, and Discharge Curves

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Grand Coulee Dam Area, Capacity, and Discharge Curves

1934-04-16
2024-05-02

Brett Gravel Pit

The Brett Gravel Pit, and the gravel processing plant. The huge sand pile, estimated at 4,000,000 cubic yards, is the surplus sand which has been wasted here after the gravel and cobbles were removed. In the foreground is the Mason City Airport.

1938-04-25
2024-05-02

Foundation Grouting

Sealing rock in foundation for block 39.

1936-07-17
2024-05-02

Westmix Concrete Mixing Plant

Grand Coulee Dam Concrete Mixing Plant

2024-05-02

Main Aggregate Conveyor

The contractor's main aggregate conveyor. Its capacity is rated at 2,750 tons per hour, and it is about 5,000 feet in length.

1938-09-21
2024-05-02

Sump From Cofferdam Leak Behind Cell "G.

Sump from cofferdam with outlet pipes and spillway. North end of block 40 at the left, and cluster "G" to the right.

1937-04-01
2024-05-02

West Cofferdam Nears Completion

West cofferdam nearing completion. Excavation spoil conveyer in upper left hand corner. Contractor's cast field office, warehouse, and machine shop in foreground.

1935-02-26
2024-05-02

Toledo Scale

At Consolidated Builders' sand classifier plant, the Toledo scale, with chronoflow recording attachment, weighs the quantity of sand produced. Each of the three scales is attached to a conveyor belt which carries sand of one size range.

1938-08-26
2024-05-02

X-Ray Machine

This is the X-Ray machine used to examine the welds of the steel penstock liners after they were fabricated in the shop of the Western Pipe and Steel Co. at Electric City, Washington, a few miles west of the dam site in the canyon of the Grand...

2024-05-02

Brett Gravel Pit

A part of the Brett Gravel Pit as it appeared in April of 1940. Buggies, drawn by tractors are supplementing the lateral conveyors in moving material to the main belt which is seen here discharging into the raw stockpile. About 75% of the gravel...

1940-04-01
2024-05-02

Dorr Hydro-Separator

The Dorr hydro-separator installation at the contractor's sand classifier plant.

1938-08-26
2024-05-02

Gravel Berm

Berm of Gravel west of section "E" of west cofferdam transported by conveyor from east side pit and placed by 36-inch belt, material diverted at suspension bridge tower.

1936-03-31
2024-05-02

Construction Equipment For West Cofferdam

Wood trestle used in driving west cofferdam. Lower right corner is contractor's catwalk across Columbia River

1935-01-30
2024-05-02

Sand Classifier and Dewaterer

At the contractor's sand classifier and dewaterer discharges the sand fraction to a conveyor belt.

1938-08-26
2024-05-02

Cofferdam Construction

Lower crib-type cofferdam under construction from section "G" to east river bank. Aggregate conveyor on suspension bridge shown overhead, and center tower to the left.

1937-01-06
2024-05-02