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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
United States Earthquakes 1940
Report discussing earthquake activity in the United States during 1940. The report is broken down by regions and has sections for specific earthquakes.
Date:
1940
Creator:
unknown
System:
The UNT Digital Library