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Publication Extents

Not all publications have extents, not all extents are completely accurate
The gold quartz veins of Grass Valley, California
W. D. Johnston Jr.
1940, Professional Paper 194
The gold quartz veins in the vicinity of Grass Valley, Calif., have been actively mined since the fifties of the nineteenth century. Lindgren mapped the areal geology and studied the mines of the district in 1894, and the accompanying geologic map (pl. 1) is reproduced from his reports. Since then...
Maximum discharges at stream-measurement stations through December 31, 1937, with a supplement including additions and changes through September 30, 1938
Gordon R. Williams, Lawrence C. Crawford, William Stewart Eisenlohr Jr.
1940, Water Supply Paper 847
This report is a compilation of the highest known discharges at most gaging stations in the United States and at several places on boundary streams in Canada and Mexico. In the design and operation of a variety of engineering works on rivers, such as dams, spillways, bridges, dikes, and floodways,...