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Publication Extents

Not all publications have extents, not all extents are completely accurate
Gold-quartz veins south of Libby, Montana
Russell Gibson
1934, Circular 7
The area described in this paper is one of rugged mountains, composed chiefly of folded and faulted sedimentary rocks of the Belt series. In the nearby region the beds are intruded by diorite sills and granitic stocks. Glacial drift, including silt deposited in a lake, covers much of the lower...
The McCoy mining district and gold veins in Horse Canyon, Lander County, Nevada
Frank Charles Schrader
1934, Circular 10
The following geologic sketch is based on a two-day visit made to the McCoy district in September 1930. For valuable information and aid generously extended, the writer would express his thanks to the miners and prospectors of the district and especially to Mr. Joseph H. McCoy, a well-known mining man...
Preliminary geological report on the Salt Plains reservoir site, Oklahoma
C.V. Theis
1934, Open-File Report 34-2
Following a request from the U.S. Bureau of Biological Survey, the writer was assigned by the Director of the U.S. Geological Survey to make a preliminary geological investigation of the Salt Plains area in Oklahoma. He spent the period from January 13 to January 22, 1934, in the field making...