page IV-21

Portland District (Cont'd) PI-85- A. O. DeFrate PI-86- Clark W. Cox, Jr. PI-87- Frank F. Dinsmore PI-88- John P. Hounsell PI-89- Ernest A. Jager PI-90- Orville L. Cram PI-91- Richard W. Pearson PI-92- Charles Jackson PI-93-...

Spillway and drum gate construction--concrete placing

Concrete placing in twist slot

1941-10-15

Construction of pipelines, syphons and tunnels--gate section of headworks

South Coulee Dam--Main Canal Headworks--View taken from east bank of the approach channel showing the false work for construction of the gate section of the headworks.

1949-05-03

page IV-5

Oregon 0-1 - Fish Commission of Oregon 0-2 - State Water Resource Board 0-3 - Oregon Wildlife Commission 0-4 - State Parks and Recreation Department 0-5 - Central Oregon Intergovernmental Council Idaho I-1 - Art Manley, Idaho State...

Installation of turbines and generators--riveting crew at work

Riveting together the sections of the #1 Shasta turbine scroll case in pit 7. On the left is the heater. In the center, a man is bouncing a heated rivet to knock off the oxidized scale and on the right are the riveters waiting for the rivet.

1942-02-23

Bryant at South Toutle shelter

Bryant standing by the South Toutle shelter on the first night's stopping place on the pack trip

1941-05-21

Installation of turbines and generators--rotor near completion

Man stands on the rotor--which nears completion

1941-07-05

Installation of turbines and generators--assembly of rotor

One step in the assembly of rotor of Shasta generators to be used in west power house

1942-08-21

Excavation Behind Wakefield Cofferdam

Excavation behind low Wakefield cofferdam. Shore-end of upstream cross-river coffer at left. Across the river are cells in section "D" of west cofferdam. Upper right is main soil conveyor to Rattlesnake canyon.

1936-09-14
2024-11-24

Installation of turbines and generators--worker using micrometer

Workman using a micrometer on L-6 scroll case bolts after tightening.

1943-05-26

page III-102

Source Tentative Disposition Problem or Area of Concern 1. (Cont) A. Effect of peaking on downstream passage time (Cont) 2. In estuaries 3. In bypass facilities at projects B. Effect of peaking on stranding of juveniles 1. In...

Excavation of Upstream Diversion Channel

Excavation in upstream end of diversion channel - behind sections "C" and "D" of west cofferdam.

1936-08-01
2024-11-24

Scale models, testing, and oddities--strange rock formations [02]

Close up view of strange rock formations

1938-11-02

Scale models, testing, and oddities--concrete drying

View of concrete drying(?)

1938-01-04

Scale models, testing, and oddities--""concor"" drill rig

Man tests concrete specimens

1938-03-08

Complete Downstream Cross-River Cofferdam

Downstream cross-river with all cribs in place

1936-12-11
2024-11-24

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

Man works with concrete during construction of Grand Coulee

1940-07-26

Timber Cribs for Cross-River Cofferdam

Timber cribs for cross-river cofferdams, stored in upstream end of diversion channel. 950 elevation cofferdam across the river; also shore-end of upstream cross-river cofferdam; part of high placing trestle; and Eastmix.

1936-09-27
2024-11-24

Equipment for construction, transportation, and maintenance--reboring drum gate grirder

Reboring drum gate girder. Machine shop--powerhouse

1941-01-22

Equipment for construction, transportation, and maintenance--mounting stiffener rings...

Specifications No. 2329. Picture Series 18532-3 through 18537-3. Morrison-Knudsen Co., Inc., and Peter Kiewit Sons' Co., subcontractor, Consolidated Western Steel Corp., Electric City Yard. A view of the process of mounting the stiffener rings on...

1949-03-01

Equipment for construction, transportation, and maintenance--lifting shaft

Hitch used for lifting on end of 85 ton shaft

1941-02-11

page III-38

Tentative Disposition Source F-7 F-10 B Problem or Area of Concern 3.(Cont) COMMENT: Regulation of Lake Pend Oreille is primarily influenced by system power requirements although constraints are recognized in the interest of...

Riverbanks and slope protection--initial run of the floating caisson

Specifications No. 2475, March, 23, 1949. This is picture No. 4 of a series of thirteen showing movements of the floating caisson on its initial trial run from the drydock to the spillway bucket. The caisson is at station A29+98.38/B5+97.92 at...

1949-03-23

page III-30

Problem or Area of Concern Source Tentative Disposition SI-70 SI-75 PI-102 F A 6.(Cont) COMMENT: to make some adjustments of thermal plant output. As the number of thermal plants increase the load fluctuation which will be imposed on...

Riverbanks and slope protection--numbered rocks

View towards northwest from deflection sheave #5, showing large rocks on riprap with their identifying numbers painted on them. A similar photo taken after 1948 high-waster will show to what extent the large rocks are moved by the high water. See...

1948-03-05