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Page 6156, results 153876 - 153900

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Bedrock geology at the south-central part of the North Range, Cuyuna district, Minnesota
R. G. Schmidt, C. E. Dutton
1957, Miscellaneous Field Studies Map 99
The Cuyuna iron-ore district is in central Minnesota in Morrison, Crow Wing, and Aitkin Counties.  The length of the district is about 68 miles, extending from near Randall in Morrison County ot a point 11 miles east of the community of Hassmann in Aitkin County, and the maximum know width...
River flood plains: Some observations on their formation
M. Gordon Wolman, Luna Bergere Leopold
1957, Professional Paper 282-C
On many small rivers and most great rivers, the flood plain consists of channel and overbank deposits. The proportion of the latter is generally very small.Frequency studies indicate that the flood plains of many streams of different sizes flowing in diverse physiographic and climatic regions are subject to flooding about...
River channel patterns: Braided, meandering, and straight
Luna Bergere Leopold, M. Gordon Wolman
1957, Professional Paper 282-B
Channel pattern is used to describe the plan view of a reach of river as seen from an airplane, and includes meandering, braiding, or relatively straight channels.Natural channels characteristically exhibit alternating pools or deep reaches and riffles or shallow reaches, regardless of the type of pattern. The length of the...
Stromatolites of the Belt Series in Glacier National Park and Vicinity, Montana
Richard Rezak
1957, Professional Paper 294-D
Eight zones of Precambrian stromatolites that are useful for local correlation are recognized in the Belt series of the Glacier National Park region, Montana. The zones vary in composition, thickness, and areal extent. Some are widespread and extend into neighboring regions, and others occur only in small areas. Their names...
Geology and zinc-lead deposits in the Catfish Creek area, Dubuque County, Iowa
C. Erwin Brown, Jesse W. Whitlow, Percy Crosby
1957, Miscellaneous Field Studies Map 116
A detailed geologic study was begun in 1951 by the U.S. Geological Survey in cooperation with the Iowa Geological Survey to appraise the potentialities of the Iowa part of the Wisconsin-Illinois-Iowa zinc-lead district for (1) zinc ore in rock strata that contain pitch-and-flat zinc ore bodies elsewhere in the mining...