Spillway and drum gate construction--view of the spillway section [03]

View of the spillway section from the right bank

1941-03-03

Spillway and drum gate construction--drum gate #1 [02]

Installation of main girders for drum gate

1940-12-05

Spillway and drum gate construction--transition form for inlet

Transition form for inlet to 57-inch supply pipe for drum gate control. One of these water supply inlets is in each pier for a total of 11. A 57"" butterfly valve will be connected to this inlet for control of water supply.

1940-06-12

Installation of turbines and generators--school for rivitors [02]

Three workers at smelter

1941-01-21

Installation of turbines and generators--school for rivitors [01]

Men appear to be playing a game while on break.

1941-01-21

Construction of pipelines, syphons and tunnels-- crab creek siphon [01]

Crab Creek siphon. Photo shows workmen covering siphon in background and pouring the elbow in the foreground

1948-10-08

Equipment for construction, transportation, and maintenance--couple from New Jersey...

""Look at that beautiful water, Maw,"" exclaimed Mr. George C. Green to his wife as the viewed the Grand Coulee Dam spillway from the parking lot overlooking the west powerhouse. His statement was not unusual in the way of tourists but the mode of...

1946-07-23

Chinook migrants

Chinook migrants in dividing box near the end of Dryden Ditch

1940-07-21

Installation of turbines and generators--lowring a shaft into place [01]

Men sighting through bolt holes to line them up as 74 ton shaft is lowered into place.

1941-06-04

Installation of turbines and generators--scroll case in place

View of pit 6 showing scroll case in place. Photo taken from crane

1943-02-15

Equipment for construction, transportation, and maintenance--transporting R-1 scroll case

Placing for R-1 scroll case on the trailer in the Electric City yards preparatory to transporting it to the East powerhouse. July 16, 1948

1948-07-16

Scale models, testing, and oddities--multiple grant seams in drill core

Multiple grant seams in drill core

2024-04-30

Scale models, testing, and oddities--cylinder testing [02]

Testing a concrete cylinder

1940-03-07

Scale models, testing, and oddities--topographic model [02]

Man works on three dimensional model

1938-11-03

Equipment for construction, transportation, and maintenance--eucluid truck dumps...

Although this truck alone weighs almost 60,000 pounds, it's not uncommon for one or two huge granite armor rocks to lift the front wheels clear of the ground. A dozer, blade visible at left, solved the truck drivers dilemma in this problem. The...

1950-07-11

Equipment for construction, transportation, and maintenance--testing block and hook

Men test a large block and hook attached to a crane

1940-06-28

Equipment failures--repairs to L-3

Repairs to L-3 packing box. Boring arm making second cut.

1942-11-25

Equipment failures--painted surface of scroll case--turbine L-2

Painted surface of scroll cast--turbine L-2. This view shows the condition of the paint in the scroll case and guide vanes of the speed ring.

1942-07-13

Cedar Creek Falls

Cedar Creek Falls at high-water stage near Hall, Washington

Thick undergrowth

Photo shows thick undergrowth on possible site for rearing pond on property of Mr Will R Lewis just below his trout pond
The trout pond takes off from stream running from Bull Run Reservoir which is the same water supply as Farola's pond and...

1941-05-25
2003-01-01

Ross's fourth addition to Omak, Okanogan County, Washington, (1929)

1 map: blueprint ; 51 x 48 cm. In 1901, Mr Ben F. Ross, an employee of the Great Northern Railroad, settled with his family in the area that became the town of Omak, Washington. By 1906, Ross had helped to organize the first...

2024-04-30

Letter Concerning Request for a Report on H.R. 3300

Letter: To Mr. Chairman, from Stewart Udall, February 15, 1967, page 7

1967-02-15

Letter Concerning Qualifications as a Witness

Letter: To Wayne N. Aspinall, from Anthoy Wayne Smith, September 14 1965, (mimeograph), page 1

1965-09-14

Equipment failures--scoring on brake piston

Scoring of the leading side of generator break piston #1 due to its tilting during jacking of the rotor. Top of piston is in lathe chuck--leather is removed from the bottom of piston. Unit L-1, Grand Coulee Power Plant

1946-10-16

Farm development--man lays 21 inch irrigation pipe

Laying 21 inch reinforced concrete pipe (Class A-50' head) on the burbank pump laterals EP 1.1 station 50+50. note placing of wire mesh reinforcement for band. This feature under construction by Mathews Brothers about 7 miles east of Pasco,...

1949-06-27