Coulee Dam irrigation pumping plant and discharge pipes--view of tunnels in the bank [01]

View of tunnels in the bank

1939-09-02

Construction of pipelines, syphons and tunnels--Long Lake Headworks

Columbia Basin Project, Irrigation Division, Specifications No. 2324, Schedule 1, Long Lake Headworks and concrete Canal Lining and Structures, Station 745+80 to Station 1101+29.0--Main Canal. Contractor: George B. Henly Construction Co., Inc....

1949-12-14

Construction of pipelines, syphons and tunnels--completed open inlet transition

Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specs. 2411. This photograph from Station 382+, looking downstream, shows the completed gravel trap and open inlet transition. The gravel trap baffles and their drains are clearly...

1950-06-21

Construction of pipelines, syphons and tunnels-- man stands on siphon

Columbia Basin Project, Irrigation Division, Soap Lake Siphon, Specs. 2411. This photograph taken from concrete section 84A, looking upstream, shows a man on section 82A. Infra-red was used to accentuate the cloud effect. Work is being performed...

1950-06-09

Loading fish boxes on seine skiff

Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.

1937-08-17

Lake Osoyoos unloading ramp

Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.

1938-11-30

Construction methods and Long Lake dam--use of smaller tractors

Columbia Basin Project, Irrigation Division, 2nd Section West Canal, Specs. 2541. Backfilling around the Winchester Wasteway turnout. Allis Chalmers HD-5 tractor with Tracto-Loader is used to place material and to pull small roller used in areas...

1950-03-24

Equipment for construction, transportation, and maintenance--gravel crusher

Columbia Basin Project--Irrigation Division, Adrian Gravel Plant--Specifications #1475. Cedar Rapids 20"" x 36"" primary crusher with jaws set at 3 inches, located at Adrian Gravel Plant. Feed hopper is shown at left and blending sand conveyor...

1948-06-02

Construction methods and Long Lake dam--Dry Coulee Siphon

Columbia Basin Project, Irrigation Division, West Canal, Specifications No. 1286--Utah Construction Co. and Winston Bros. Co., Contractor. Looking west into open outlet transition of Dry Coulee Siphon No. 2. The forms are warped from vertical to...

1948-09-28

Construction methods and Long Lake dam--mobile laboratory

Columbia Basin Project--Irrigation Division. East Low Canal--Specifications No. 1422. View of mobile laboratory used to make test cylinders and air entrainment tests of canal lining concrete. Equipment shown includes half-cubic foot unit weight...

1948-09-08

Farm development-- inspecting a potato field

Columbia Basin Project, Irrigation Division. Moses Lake Development Farm 2 miles east of Moses Lake. Twelve hours after a 3/4 inch rain which fell between 5pm to 10pm September 16th, water was standing in alternate furrows in the low flat areas of...

1947-09-17

Stratified sandstone falls on Coal Creek

Coal Creek is a tributary to the Columbia River

1936-10-29

Jump trap at Kettle Falls

Jump trap at Kettle Falls for steelhead and salmon

Harbor of Astoria & Vicinity. (1927)

1 map: color, 35 x 92 cm. Soundings are in feet and show the depth at Mean Lower Low Water. Various types of hachures show various depth contours: thirty foot, twenty-four foot, eighteen foot, twelve foot, and low water lines. Scale:...

2024-11-22

Gill net

Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.

1937-06-30
2003-01-01

One and two-man gill boats near Ilwaco, Washington

Master scanned with Epson 1640XL at 800 dpi. Image manipulated with Adobe Photoshop 7.0.

1937-07-31
2003-01-01

Washington and Oregon (1853)

1 map : col. ; 29 x 36 cm., on sheet 37 x 44 cm. Relief shown by hachures and spot heights. Entered according to Act of Congress in the Year 1853 by J.H. Colton & Co. in the Clerk's Office of the District Court of the United States for the...

2024-11-22

Appendices to Pacific Water Plan Review Draft

Document: Appendices to Pacific Southwest Water Plan Review Draft "Bonneville Power Administration Appendix", August 1963, pagination added, page 2

1963-08-01

A Plan to Transport Surplus Columbia River Basin Water to the Arid Pacific Northwest

Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, table 4

1963-10-01

A Plan to Transport Surplus Columbia River Basin Water to the Arid Pacific Northwest

Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page 18

1963-10-01

A Plan to Transport Surplus Columbia River Basin Water to the Arid Pacific Northwest

Document: "Snake-Colorado Project, A Plan to Transport Surplus Columbia River Basin Water to the Arid Southwest", October, 1963, page 10

1963-10-01

Letter Concerning Progress in California

Letter: FromLawrence Mehren, Chairman, Central Arizona Project Association, to Stewart Udall, January 5, 1965 (thermofax), page 1

1965-01-05

Canal lining and construction--testing concrete

View of concrete specimens being tested for resistance to sulfate waters in ponds at elevation 1930 southwest of the 230-Kv switchyard at Coulee Dam. View shows cylinders, bars, and posts from test batches 48-72 setting in original alkali pond...

1949-11-18

Farm development--temporary electrical equipment

PP-8.0 relift pump of 3H.P. used to deliver 3 cu. Ft./sec. to two farm units. Temporary electrical equipment installed on pole structure for 1948 irrigation season. Portable sheet metal house behind house will be set over installation for...

1949-01-05

Canal lining and construction--East and West Canal core samples

Columbia Basin Project--Irrigation Division. West and East Low Canals--Specifications 1286 and 1422. Winston Bros. Co. and Utah Construction Company, Contractors. View shows entire group of cores removed to date from 4 1/2-inch canal lining....

1948-10-28