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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
United States Earthquakes 1939
From Introduction: "This publication is a summary of earthquake activity in the United States and the regions under its jurisdiction for the calendar year 1939. A history of the more important shocks of the country appears in Serial 609 of the Bureau, "Earthquake History of the United States: Part I-"Continental United States (Exclusive of California and Western Nevada) and Alaska," and Part II. -"Stronger Earthquakes of California and Western Nevada, Revised (1941) edition."
Date:
1941
Creator:
unknown
System:
The UNT Digital Library
Shorter Contributions to General Geology, 1941-42
Preface: The author of this paper gives a thorough description of a complex of very unusual igneous rocks and associated hydrothermal deposits.
Date:
1942
Creator:
Geological Survey (U.S.)
System:
The UNT Digital Library