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Publication Extents

Not all publications have extents, not all extents are completely accurate
Measurement of earth pressure in the iron-ore mines of eastern France
M.E. Tincelin
1953, Open-File Report 54-30
The purpose of the tests, which will be reported later, is to measure as precisely as possible the tangential stresses exerted on the periphery of a gallery cut in the Lorraine iron ore. The values of the tangential stresses along the periphery being known, they will be compared with the values...
Geology and coal deposits of Jarvis Creek coalfield, Alaska
Clyde Wahrhaftig, C.A. Hickcox
1953, Open-File Report 53-263
The Jarvis Creek coal field lies on the north side of the Alaska Range between latitudes 63°35' and 63°45 N., and longitudes 145°40' and 145°50 W. It is 2 to 6 miles east of the Richardson Highway. The coal field is about 16 square miles in area, the major part...
Quaternary geology of the Nenana River and adjacent parts of the Alaska Range, Alaska
Clyde Wahrhaftig
1953, Open-File Report 53-262
The Nenana River flows northward across the Alaska Range near 149° west longitude. Sedimentary bedrock formations of its basin include pre-Cambrian schist undifferentiated Paleozoic and Mesozoic rocks, continental upper Cretaceous rocks and poorly consolidated continental Tertiary rocks. Igneous rocks include pre Devonian quartz orthoclase schist, greenstone, granitic and basic intrusives...
Geology of the Knife River area, North Dakota
William Edward Benson
1953, Open-File Report 53-21
The Knife River area, consisting of six 15-minute quadrangles, includes the lower half of the Knife River valley in west-central North Dakota. The area, in the center of the Williston Basin, is underlain by the Tongue River member of the Fort Union formation (Paleocene) and the Golden Valley formation (Eocene)....