West Bank Camp and East Bank Excavation

South end of Government Camp in foreground. East abutment excavation across the river.

1934-12-02
2024-11-22

Dam Close Ones

Illustrations of incidents that resulted in close calls for employees.

1950-06-23
2024-11-22

Initial Construction of Vehicle and Railroad Bridge

Here operations are just starting at the site of the combination vehicle and railroad bridge across the Columbia about a mile downstream from the dam.

2024-11-22

Coulee Dam irrigation pumping plant and discharge pipes-- aerial view of feeder canal

An aerial view of the feeder canal looking west. The surface runoff chutes on the right slope of the canal in the foreground area are at stations 45+05 and 48+60, respectively. The slide cracks are visible at the left center. A good view of the...

1947-10-21

Construction of pipelines, syphons and tunnels--South Coulee Dam, Main Canal Headworks...

South Coulee Dam--Main Canal Headowrks--View taken from the east bank of the approach channel looking west and downstream. Mixer and ""Pumperete"" set-up are shown in the central part of the view. The cut-off wall footing which runs through the...

1948-05-04

Riverbanks and slope protection--floating caisson exits drydock

Floating Caisson aft section passing thru the drydock gates as it moves out into the drydock channel, where it will be moored while the Caisson Seat Frame is being assembled in the drydock. Foreground, Caisson with operating machinery on deck....

1949-08-24

Removal of West Mix Concrete Facilities

Dismantling of the westmix concrete plant used by the MWAK Co. Consolidated Builders re-assembled it in a new location on the east side of the river.

1938-04-05
2024-11-22

Shift Change

Shift change--M.W.A.K. employees crossing wide crevice in foundation.

2024-11-22
2024-11-22

Timber Cribs in Downstream Cross-River Cofferdam

Timber cribs being placed in downstream cross-river cofferdam - sheet pile lining between cribs and berm shown in lower right. Aggregate suspension bridge in upper part running to west mixer.

1936-12-07
2024-11-22

Equipment for construction, transportation, and maintenance--spider on dam

Spider on west end of dam enroute to right powerhouse. The dimensions of the spider are: Length; 27'-7"" Width; 16'-4"" Depth; 6'-1""

1948-07-22

Turbine Draft Tubes

Set of 3 draft tubes from one unit.

1936-10-01
2024-11-22

Sand Dumping

Dumping sand for block cleaning through trestle deck.

1936-06-01
2024-11-22

Removing West cofferdam

Early winter scene of steam cranes on barges placing cross-river cofferdam and removing west cofferdam.

1936-12-02
2024-11-22

Mason City Mess Hall

One of the two dining rooms in contractor's mess hall.

1935-01-01
2024-11-22

Northeast Corner of Mason City

In the distance is shown dust clouds arising from gravel pit stripping operations. Northeast corner of Mason City is in the foreground.

1935-05-27
2024-11-22

Scale models, testing, and oddities--piezometer test apparatus

North Coulee Dam, Piezometer Terminal Well, A view of the piezometer test apparatus at the corner of the upstream and right walls of the well. The pore pressure in the dam embankment and foundation are transmitted through the water-filled tubes...

1950-10-24

Concrete Placement

Preparing surface of concrete for next pour by washing with air and water. One-inch cooling pipe on top of lift pour.

2024-11-22
2024-11-22

Downstream Cross-River Cofferdam

Placement of last crib in downstream cross-river coffer. Overhead is aggregate suspension bridge. Left center is east end of 1024 el. placing trestle.

1936-12-02
2024-11-22

Catwalk Across Columbia River

Contractor's catwalk, later replaced by one slightly farther downstream.

1935-01-30
2024-11-22

Topographical Map of Brett Gravel Pit

Department of the Interior. Bureau of Reclamation. Columbia Basin Project--Washington. Columbia River Dam Topography of Existing Ground Surface at Brett Gravel Pit at end of MWAK Co. contract

1938-04-08
2024-11-22

Timber Crib

Corner of a timber crib for cross river cofferdam - 12 x 12 inch fir.

1936-05-01
2024-11-22

Remarks at the Annual Meeting of the Colorado River Water Users Association. Las Vegas,...

Speech about the potential for increasing hydroelectric power in the Colorado River Basin and throughout the U.S.

1976-12-13
2007-01-02
2007-01-02

Scale models, testing, and oddities--man works with concrete

Man works with concrete during construction of Grand Coulee

1940-07-26

Riverbanks and slope protection--armor rock along the bank [01]

Showing granite armor rock along the left riverbank below Grand Coulee Dam ready for placing in section ""A."" The rock is obtained from the upriver quarry. This work is performed by J.A. Terteling and Sons, Inc., under provisions of negotiated...

1949-04-26

Site preparation--Caterpillar excavation

Caterpillar hauls away materials during the excavation of Grand Coulee site.

2024-11-22