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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.
Object Type: Report
System: The UNT Digital Library
Aviation Cadet Examining Boards (open access)

Aviation Cadet Examining Boards

A list of boards in western states for examining aviation cadets for entry into the USAAF training.
Date: 1944~
Creator: United States. Army Air Forces.
Object Type: Text
System: The Portal to Texas History