Diatomites of the Pacific Northwest as Filter-Aids (open access)

Diatomites of the Pacific Northwest as Filter-Aids

From Introduction Purpose of Investigation: "To determine some of the physical and chemical properties of known Pacific Northwest diatomites, the present investigation was started in 1938 by the Bureau of Mines in cooperation with the College of Mines, University of Washington.
Date: 1944
Creator: Skinner, Kenneth G.; Dammann, Arthur A.; Swift, Roy E.; Eyerly, George B. & Shuck, Gordon R., Jr.
System: The UNT Digital Library
Vanadium-Bearing Phosphatic Shale in West-Central Wyoming and Southeastern Idaho (open access)

Vanadium-Bearing Phosphatic Shale in West-Central Wyoming and Southeastern Idaho

Discussing Vanadium-bearing phosphatic shale produced in West-central Wyoming and Southeastern Idaho
Date: July 23, 1942
Creator: Rubey, William Walden & McKelvey, V. E.
System: The UNT Digital Library