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The Kaiparowits Region: A Geographic and Geologic Reconnaissance of Part of Utah and Arizona
From introduction: The purposes of this exploration are to determine routes, to locate water holes, and to select areas where detailed geologic study could profitably be undertaken.
Date:
1931
Creator:
Gregory, Herbert E. & Moore, Raymond C.
System:
The UNT Digital Library
Quicksilver
From Introduction: "Material for this report was gathered during the last quarter of 1928 and the first quarter of 1929, when the author visited the quick-silver-producing districts of California, Nevada, Texas, Oregon, Washington and Arizona to view the progress made in recent years and gather material for a comprehensive study of the present-day quicksilver industry of the United States."
Date:
1931
Creator:
Schuette, C. N.
System:
The UNT Digital Library