pages 112-113

road curve to the left and was soon within the confines of the canon, an eroded gorge through the neck that once united the two mountain ranges. The canon is about three-fourths of a mile long, narrows up, at water level to not more than 200 feet...

2004-07-07

Engineer recruitment program--"cat jockey" at work

"Cat jockeys" must know their stuff in preparing the tunnel portal at the U.S. Army Corps of Engineers' Dworshak Dam on the North Fork of the Clearwater River. Here the two Bulldozers push over the cliff the results of a fair-sized blast at the...

1965-02-18

page V-16

I.C.2 test but were killed by environmental action. Inflated construction cost and an amended policy for high interest rate have further reduced the feasibility of additional storage. Despite inhibited feasibility of new storage the proposed...

Batcher Control Room

Batchers scales in east concrete mixing plant.

1936-06-01
2025-02-18

page III-144

Source Tentative Disposition W-4 A PI-1, 11, 20, 50, 90, 100 WI-66 B F-4 B PI-1, 11, 50 Problem or Area of Concern 2. (Cont) COMMENT: CR&T Operational Impact Studies are establishing potential problem areas of this nature. Conditions...

Aggregate Stock Piles

Aggregate stock piles near mixing plant. Two sets of three gravel sizes, one of cobbles, and one of blended sand.

1936-05-01
2025-02-18

Aggregate Processing at Brett Gravel Pit

Two conveyor feeders with 200-ft. pendulum conveyors. 5-yard shovels. In upper left is 6-yard dragline; in upper right a rotary 6-inch well outfit drilling series 50-ft. holes for shooting.

1936-09-01
2025-02-18

page III-112

Source WI-73 F-17 SI-76 F-17 Tentative Disposition F F WI-72 F F-17 Problem or Area of Concern 21. Support the Fish and Wildlife mitigation of the Lower Snake River. 22. Corps of Engineers is not responsive to the after effects...

Chinook migrants

Chinook migrants in dividing box near the end of Dryden Ditch

1940-07-14

page III-104

SECTION 8B: FISH AND FISHERIES Source SI-1, 11, 14, 19, 21, 25, 26, 59, 69 WI-1, 14, 15, 31, 36, 50, 51 PI-20, 21, 25, 37, 38, 45, 100 F-4, 5, 17 0-2, W-6 PI-21, 92 PI-62 WI-27 SI-73 Tentative Disposition E Problem or...

Wooden Barge Construction

Building a barge on east side. The town "Coulee Dam" across the river

1936-09-01
2025-02-18

Monahan Creek falls

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

1937-05-23

page 164

Map Symbol Ot5 Map Symbol Ot6 Trail from Herman Creek to Wyeth TRAIL DESCRIPTION: This segment of Trail 400 would link the Cascade Locks Urban Area to the proposed major river access site at Wyeth Waterfront. The trail will be less...

Cedar Creek dam and falls

Power diversion, old mill, diversion return and fish-ladder at Cedar Creek dam and falls at Hall, Washington
Dam and falls only partly showing upstream
Fish-ladder leads into diversion

1937-08-06

Aerial View of West and East Cofferdams

Excavating for block 40 behind section "E" of west cofferdam. East cofferdam across the river.

1935-12-04
2025-02-18

Page 38

1. Colorado River Storage Project & Participating Projects. (a) Irrigation costs (3§6,190,000) do not bear interest as per Reclamation Laws. (b) Capital cost will be returned in full in 50 years, (c) Reclamation projects have been challenged in...

2009-05-01

page 54

Table 2:6. Mapped Inventories Used in Analysis of Recreation Type of Inventory Recreation Opportunity Spectrum Existing Recreation Sites Existing Recreation Trail; Geologic Hazards Roads, Rivers, Lakes Slope Aspect...

page 24

Table 2:1. Mapped Inventories Used in Analysis of Scenic Resources
SOURCE(S) OF INFORMATION EACH AREA ON THE MAP IS ONE OF THE FOLLOWING CATEGORIES: 38 vegetation classifications Pastoral; forest; oak savannah; grassland; rural...

page 41

Image caption: FIGURE 16 Relative Costs of Peaking Power
Image details: RELATIVE COST OF PEAKING POWER (1975 COST LEVELS) $13.50/ kw CONVENTIONAL HYDRO $41.50 / kw COMBUSTION TURBINE $18.40 / kw PUMPED STORAGE ABOVE FIGURES...

1/60th Working Model of Grand Coulee Dam

From the study of this 1-60 working model of the dam, and a scaled section of the river channel, came much valuable information regarding the action of the water in the spillway bucket, and the washing of material in the river bed directly...

2025-02-18

Camp Kettle workers leaving clearing locations, 1941.

Label on verso: DATE: June 27, 1941. O.P. 65-2-93-146. Dist. 1; PHOTO BY: Morgan Fitz, Camp Kettle; COUNTY: Stvens (sic); Neg. No. 908; TITLE: Columbia river Reservour (sic) Clearing Proj. CAPTION: CAMP KETTLE WORKERS LEAVING FOR CLEARING...

2025-02-18

Main Cooling Line Feeder

This is a main line feed of cooling water running from one of the pumping barges, thru a longitudinal inspection gallery in the dam. The hose connections are fastened to headers for the various coils of cooling pipe embedded in the concrete, thru...

2025-02-18

Memorandum Concerning Memo Regarding Felix Sparks' Proposal

Memorandum: To Under Sect, from Edward Weinberg, "Your memo of October 20 regarding Felix Sparks' proposal on investigation of imports," Nov 14, 1966 (carbon copy), page 7

1966-11-14

Pacific Southwest Water Plan - Report January 1964

Report:United States Department of Interior, Stewart L. Udall, Secretary, Bureau of Reclamation, Floyd E. Dominy, "Pacific Southwest Water Plan", Accompanying letter from Assistant Secretary for Water and Development to Secretary of the Interior,...

1964-01-01

A molecular study of the viral proteins of infectious hematopoietic necrosis virus

The virion protein patterns of 72 isolates of infectious hematopoietic necrosis virus (IHNV) were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of S-methionine labeled virus. This analysis led to the...

1984-04-05 (iso8601)