Spillway and drum gate construction--spillway section from left bank [01]

Spillway section of the dam as seen from the left bank near the shop building. Note the man and care at the waterline. (normal)

1942-04-28

Coulee Dam irrigation pumping plant and discharge pipes--placing reinforcing steel

Construction of the Pumping Plant Structure, Grand Coulee Dam, Coulee Dam, Washington. Installation of pumping unit P-2 discharge pipe, showing reinforcing steel being placed in concrete form is the square opening of the block out which extends...

1949-05-16

Powerhouse construction--East Powerhouse foundation [02]

Progress photos of the East Powerhouse as of date.

1941-08-07

Powerhouse construction--construction of the R-1 scroll case

Progress view of the stage of construction on the R-1 scroll case.

1948-08-17

Spillway and drum gate construction--arches over spillway

View of all of the spillway arches.

1941-07-31

Spillway and drum gate construction--view of the spillway section [02]

View of the spillway section of Grand Coulee taken from the right bank.

1941-05-05

Spillway and drum gate construction--riveting and welding face plates

Riveting and welding face plates on drum gate #1

1941-01-28

Spillway and drum gate construction--steel and forms for drum gate

Steel and Form work for drum gate installation. Steel is for spillway crest, bridge piers, and drum gate chamber

1940-06-20

Construction of pipelines, syphons and tunnels--South Coulee Dam, Main Canal Headworks...

South Coulee Dam--Main Canal Headowrks--View taken from the east bank of the approach channel looking west and downstream. Mixer and ""Pumperete"" set-up are shown in the central part of the view. The cut-off wall footing which runs through the...

1948-05-04

Installation of turbines and generators--completed rotor

A tight fit. The clearance between the huge 25-foot rotors and the stators of the two 75,000 kilowatt Shasta Dam generators, being installed at Grand Coulee Dam to make additional power available for war industries, is only 5/8 inch. Lowering this...

1942-11-28

Installation of turbines and generators--rotor being installed [01]

Col. Basin Proj., Grand Coulee Dam.--Rotor for main generator unit L-6 in the west powerhouse at Grand Coulee Dam being carried to final position by two overhead travelling cranes using an equalizing beam. The rotor, 31 feet in diameter, weighing...

1943-06-08

Chinook migrants

Chinook migrants in dividing box near the end of Dryden Ditch

1940-07-14

Installation of turbines and generators--men carry bolts

Bolts and nuts weighing 193 pounds, couple the sections of the shafts for the two 75,000 kilowatt Shasta generators being installed in the Grand Coulee Dam left powerhouse. The bolts are five inches in diameter and 25 inches long. Each section of...

1942-12-29

Installation of turbines and generators--placing scroll case

Placing scroll case section L1 W. powerhouse

1941-08-21

Scale models, testing, and oddities--gauging offsets between concreet units

Close up view of a man gauging offsets between concrete units

1938-02-01

Equipment for construction, transportation, and maintenance--transporting a rotor shaft

Due to lack of proper transportation equipment, difficulty was encountered in taking the R-1 rotor shaft across the spillway roadway of the dam. In order to distribute the load safely, it was necessary for this truck boom to hook onto the trailer...

1948-07-21

Scale models, testing, and oddities--concrete specimens

concrete specimens-not yet submerged in water for testing

1938-08-19

Scale models, testing, and oddities--topographic model [04]

Photograph is a side angle of a topographical map where the dam will be built.

1941-10-16

Equipment for construction, transportation, and maintenance--Grant pumps

Grant pumps and grant building

1941-01-29

Riverbanks and slope protection--submerging the floating caisson

Specifications No. 2475, March 24, 1949. This photograph was taken as the floating caisson was being submerged in the spillway bucket during its initial trial operation. The caisson barge with operating equipment is shown floating between the...

1949-03-24

Riverbanks and slope protection--armor rock along the bank [01]

Showing granite armor rock along the left riverbank below Grand Coulee Dam ready for placing in section ""A."" The rock is obtained from the upriver quarry. This work is performed by J.A. Terteling and Sons, Inc., under provisions of negotiated...

1949-04-26

Equipment failures--cracked and bent terminal stud

View of cracked and bent terminal stud on top of Westinghouse 230-kv bushing serial No. 3 for 36,000-kva transformers purchased under specifications No. 1025

1947-07-30

Cedar Creek Falls

Birdseye view of Cedar Creek falls and small power developement

Burner at Tucannon weir

Burner at the completed Tucannon weir near Starbuck, Washington

1937-11-30
2003-01-01

Ross's third addition to Omak, Okanogan County, Washington, (1928)

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...

2024-04-29