Results

5651 - 5675 of 5942 Items    << < 222 223 224 225 226 227 228 229 230 231 > >> 
Thumbnail
Title
Description
Dates
1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1912-1913". "Contour interval 50 feet. Datum is mean sea level." "Edition of 1916". Diagram...
2024-04-29

CHAPTER 1: Background

1 map : 45 x 31 cm. or smaller. Relief shown by contours and spot heights and hachures. Title supplied by cataloger. Set includes various editions. "Advance sheet 1659:20/:21"<br>"Contour Interval 100 feet. Datum is mean sea level." Scale...
2024-04-29

Clay minerals from sediment samples obtained on Astoria Fan were analyzed by X-ray diffraction. Clay minerals are defined for the purpose of this study as crystalline phyllosilicates less than two microns in equivalent settling diameter. The clay...
1967-05-02 (iso8601)
Image caption: Pumped-storage site on mainstem Columbia River, Mid-Columbia Subregion. Example of a site using Lake Umatilla (John Day Reservoir) as the lower pool: Indian Rapids (564) view looking south.
Image details POWER TUNNEL...

Dams across both ends of the Grand Coulee will form it into a giant reservoir for storing the water pumped from the river.
2024-04-29
Here is shown the reinforcing of the spillway bridge piers between the drum gates. The temperature differential caused by heating of the pier plates for de-icing created a special problem in design of these structures, and also necessitated much...
2024-04-29
The relationship between iron and nitrate concentrations was examined off the coast of Oregon during the upwelling season. Surface Fe and N (nitrate + nitrite) concentrations measured underway by flow injection analysis ranged from <0.3 to 20 nmol...
2002-10-25 (iso8601)
Album leaf 1: Area view, 1/4/34.

In the vicinity of Seaton's Ferry.

PH Coll 238.1
2024-04-29
Late in November, 1939 workers began constructing a 2,500 feet 5 ft. by 7 ft. unlined tunnel from Upper Snow Lake to the Nada lake for fish hatchery operations.
2024-04-29
3 Bonneville Project Act. A Provisional Bureau is Born Not all of the opposition to the Columbia River projects ceased after construction started. There still remained critics who called the giant dams "white elephants in the...

Riggers working on the aggregate conveyor suspension bridge high above the river.
2024-04-29
The anthropogenic introduction of nutrients to water bodies has been shown to alter the structure and function of natural aquatic ecosystems, yet national EPA lake and reservoir nutrient criteria remain too broad for effective regional water...
2015-06-08 (iso8601)
CONTENTS Prologue 1 1 Evolution of the Nation's Electric Power Systems 3 3 2 Bonneville and Grand Coulee-Keystone of Northwest Hydropower 11 Bonneville Project Act-A "Provisional" Bureau is Born 29 4 The Forties • Years of...

Membership The signatory parties in all of the single purpose pollution control compacts have three to five representatives on the compact commission. Of all the single purpose compacts, only the New England specifies that commissioners...

Caption on image: "There will always be a Marcus", F.E. "Sunny" Horn, Mayor of Marcus since 1932, wants you to know. He points to the town's new site on a bench well above high water mark of the lake being formed behind Grand Coulee dam on which...

This leak in the downstream corner of the east side cofferdam in March, 1937 threatened to flood the east side excavation area. A crisis was reached on March 19, 1937 when a vortex developed on the river side of the downstream cell cluster, and...
1937-04-13
2024-04-29
After completion of the cross-river cofferdams the enclosed water will be pumped out, and construction of the east end of the dam continued out until it meets block 40 just upstream to the right of the conveyor suspension bridge tower. The...
2024-04-29
NEVADA Telephone Interview Roland Westergard, State Engineer Department of Conservation and National Resources Carson City, Nevada FEDERAL CONTACTS Personal Interviews Bernard Goldhammer, Assistant Administrator for Power...

Investigation Program "In this chapter are outlined investigations which the Department of the Interior must undertake to fulfill its responsibilities in carrying out the plan presented in the report. The investigations involve special...

Document: Appendix to Pacific Southwest Water Plan of August 1963 as modified January 1964 "Bonneville Power Administration Appendix", January 1964, page 1
1964-01-01

The Oregon State Game Commission report entitled, "The Fish and Wildlife Resources of the Hood Basin, Oregon, and Their Water Use Requirements" and this supplement to that report are designed to assist the State Water Resources Board with...
1973-04 (iso8601)
5651 - 5675 of 5942 Items    << < 222 223 224 225 226 227 228 229 230 231 > >> 

© Western Waters Digital Library - GWLA member projects - Designed by the J. Willard Marriott Library - Hosted by Oregon State University Libraries and Press