page 24

Defenses of the mouth of the Columbia River, Oregon, 'in charge of Major Henry M. Robert, Corps of Engineers.—These defenses consist of Fort Stevens on the south side, and three detached batteries at Cape Disappointment, Washington Territory, on...

2004-08-25

Concrete Mixing Plant Records

At the controls of the concrete mixing plant. On the chart is recorded the weight of sand, gravel, cement, and water that makes up each batch of concrete. The chart also shows which of the four mixers below received the batch of aggregate, cement,...

1939-11-02
2024-11-24

Pumping Plant Exhaust

Exhaust blowers were used to ventilate the pumping plant discharge tunnels while excavation was in progress.

1939-01-09
2024-11-24

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
2024-11-24

Feasibility of artificial recharge of a small ground water basin by utilizing seasonal...

The City of Moscow and the University of Idaho are the principal users of ground water in Moscow basin. Water is obtained from artesian aquifers in the basalt flows and interbedded sediments of the Columbia River Group. From 1896 to the 1960s, all...

1968-04-18

Chart of Saint Helen's Bar (map)

Chart of SAINT HELENS BAR Showing cut dredged during September and October, 1877. under the direction of MAJOR JOHN M WILSON CORPS OF ENGINEERS, U.S.A. Washington Saint Helen's Bar So called Rocky Plateau Gravel and Shingle...

Employee tennis courts--1938

Image of tennis courts taken in 1938 at the employee housing site for Coulee Dam

1938-09-04

Frozen "Ice Dam"

"Ice Dam" and refrigerating plant, located upstream from block 66.

1937-11-01
2024-11-24

Cofferdam Construction

Looking northeast. Second-stage construction of cribs in downstream cross-river cofferdam, filled to elevation 940. Section "G" of Westside cofferdam in near foreground.

1937-01-07
2024-11-24

Engineer recruitment program--description of proposed Asotin Dam

Description of proposed Asotin Dam, for artists rendition, please see photo 94-0 40

1965-11-24

Engineer recruitment program--Arlington, Oregon

The old business district of the town of Arlington, Oregon, still remains intact, but time is fast running out. The overpass bridge of Interstate Highway 80N is scheduled for completion by the end of the year. By that time the Walla Walla...

1965-11-24

Coulee Dam irrigation pumping plant and discharge pipes-- view of tract No. 3

View of tract No. 3 Taken from a point approximately 300 feet north and 300 feet east of the southwest corner of the NW 1/4SE1/4 of Sec. 26, T. R. 28E., W.M., looking N. 08 degrees E. U.S. V. Howard Adams, et al.

1949-06-22

Engineer recruitment program--open letter [02]

An open letter advocating jobs with the Corps of Engineers to new engineering graduates. Second page.

1961-11-24

Site preparation-- early construction

General view of early phase of construction of Grand Coulee Dam

2024-11-24

page 25

Defenses of the mouth of the Columbia River., Oregon, in charge of Major G.H. Mendell until April 11, 1871; since then, of Major Henry M. Robert,

page V-71

A. R. Marshall Page 2 March 22, 1974 Section 11B: Diversion and Low Flow Augmentation Subheading B: Low Flow Augmentation Item 2 -- Recreation and low flow needs are evaluated during the planning phase of a watershed study under the...

Coulee Dam irrigation pumping plant and discharge pipes-- aerial view of Grand Coulee [03]

An aerial view looking east. A general view showing feeder canal, area immediately above slide area of canal, and part of town of Grand Coulee. Feeder canal shown back to headworks

1947-10-21

Coulee Dam irrigation pumping plant and discharge pipes--pump-discharge outlet...

Specifications 2329. Morrison-Knudsen Company, Inc., and Peter Kiewit Sons' Company. Progress view of the pump-discharge outlet structure showing the status of construction of the crest bends of P-1 to P-4 discharge pipes. Pipes P-1 and P-2 have...

1949-09-08

Coulee Dam irrigation pumping plant and discharge pipes--west crane recess

View showing west crane recess

1940-04-10

Powerhouse construction--station service from balcony

The two 14,000 h.p. station-service turbines at the left powerhouse are embedded in concrete to elevation 951, the generator floor level.

1940-08-01

Powerhouse construction--east powerhouse foundation [01]

View of the east powerhouse foundation with Grand Coulee in the background.

1941-01-25

page V-31

Subsection 2.E.3 [2D5] New, large, base load thermal plants, especially nuclear, should not be used for load following or peaking service. There are two basic reasons for this. The first concerns the Pacific Northwest generation planning....

Spillway and drum gate construction--hoisting elevator shaft

Hoisting elevator shaft form into place. 3 men riding load.

1941-06-30

Spillway and drum gate construction--view of the spillway section [01]

View of the spillway section from the left bank

1941-03-31

Spillway and drum gate construction--drum gate #1 [04]

Men work on drum gate number one

1940-12-07