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Geology of the Andover Granite and surrounding rocks, Massachusetts
Robert O. Castle
1964, Open-File Report 64-33
Field and petrographic studies of the Andover Granite and surrounding rocks have afforded an opportunity for an explanation of its emplacement and crystallization. The investigation has contributed secondarily to an understanding of the geologic history of southeastern New England, particularly as it is revealed in the Lawrence, Wilmington, South Groveland,...
Water resources of the Flint area, Michigan
Sulo Werner Wiitala, K.E. Vanlier, Robert A. Krieger
1964, Water Supply Paper 1499-E
This report describes the water resources of Genesee County, Mich., whose principal city is Flint. The sources of water available to the county are the Flint and Shiawassee Rivers and their tributaries, inland lakes, ground water, and Lake Huron. The withdrawal use of water in the county in 1958 amounted...
Magnetic properties of Pd, Pd-H and Pd-D from 300 degrees K to 4.2 degrees K
Arthur N. Thorpe
1964, Open-File Report 64-151
The magnetic properties of many substances first studied seriously by Faraday have played an important role in our modern technology. In particular, the magnetic properties of the transition elements are of great importance in the understanding of the electronic band form of these elements. Once the electronic band form is...
Amazon River investigations, reconnaissance measurements of July 1963
Roy Edwin Oltman, H. O’R. Sternberg, F.C. Ames, L.C. Davis
1964, Circular 486
The first measurements of the flow of the Amazon River were made in July 1963 as a joint project of the University of Brazil, the Brazilian Navy, and the U.S. Geological Survey. The discharge of the Amazon River at Obidos was 7,640,000 cfs at an annual flood stage somewhat lower...
The geology, mineralogy and paragenesis of the Castrovirreyna lead-zinc-silver deposits, Peru
Richard Wheatley Lewis Jr.
1964, Open-File Report 64-103
The Castrovirreyna mining district lies in the Andean Cordillera of South Central Peru, and has been worked sporadically since its discovery in 1591. Supergene silver ores were first mined. Currently the district produces about 20,000 tons of lead-zinc ore and 5000 tons of silver ore annually. The district is underlain by...