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Structural geology of the Hawthorne and Tonopah quadrangles, Nevada
H.G. Ferguson, S. W. Muller
1949, Professional Paper 216
The area lies in west-central Nevada near the western border of the Basin and Range province. Paleozoic and Mesozoic rocks the chief subject of this report occur in isolated mountain ranges separated by stretches of Tertiary and Quaternary volcanic rocks, lacustrine deposits and alluvium. The report is concerned principally with...
Aeromagnetic maps and second vertical derivative maps of Great Sitkin Island, Northern Adak Island, and part of northeastern Umnak Island, Alaska
Isidore Zietz, Roland G. Henderson
1949, Open-File Report 49-9
The eight attached maps were constructed from data taken on Project Volcano in the summer of 1947. The project was sponsored by the Office of Naval Research and conducted by the U.S. Geological Survey in cooperation with the Naval Ordnance Laboratory. Field work was done by Fred Keller, Jr., and...