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Page 114, results 2826 - 2850

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Map showing mined areas of the Boulder-Weld coal field, Colorado
Roger B. Colton, R.L. Lowrie
1973, Miscellaneous Field Studies Map 513
Compiled by Raymond E. Lowrie, U.S. Bureau of Mines (1966), and revised by Roger B. Colton, U.S. Geological Survey, assisted by Harold R. Fitch, 1972.In the revision of this map, many mine maps and two unpublished general small-scale maps of the area by F. H. Canis (deceased) and Samuel Tescher...
Geologic map of the Phosphate Reserve in the Lander area, Fremont County, Wyoming
Willis L. Rohrer
1973, Miscellaneous Field Studies Map 305
The area was mapped as part of the U.S. Geological Survey program of classifying and evaluating lands in the public domain. Resources of economic interest in the map area include oil, gas, water, phosphate rock, gypsum, and analcime. The area mapped includes the rocks between the Tensleep Sandstone and the...
Contour map of the bedrock surface, Ludlow Quadrangle, Massachusetts
Clark J. Londquist
1973, Miscellaneous Field Studies Map 503-A
Contours show the altitude of the bedrock surface.  The position of the contours is based largely on data from wells and test holes supplemented by knowledge of the geologic history of the region.The map show the configuration of the bedrock surface if all unconsolidated earth materials were removed....
Bottom features and processes related to drifting ice on the Arctic shelf, Alaska
Erk Reimnitz, Peter W. Barnes, Tau Rho Alpha
1973, Miscellaneous Field Studies Map 532
Early investigations of artic shelf regions led to the hypothesis that certain micro-relief forms are related to the action of grounded ice (for example, Rex, 1955). Since the introduction of side-scan sonar as a tool for ocean-floor surveys, a number of workers have described the occurrence of linear bottom features...