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Page 5613, results 140301 - 140325

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Ground-water resources of Benson and Pierce Counties, north-central North Dakota
P.G. Randich
1972, Hydrologic Atlas 476
The purpose of this investigation is to provide information about the ground-water resources in Benson and Pierce Counties that is sufficient for planning the safe and intelligent development of water supplies for irrigation, domestic, stock, industrial, and municipal purposes.  The investigation is part of a statewide program to determine the...
Volcanic stratigraphy of the Quaternary rhyolite plateau in Yellowstone National Park
Robert L. Christiansen, H. Richard Blank Jr.
1972, Professional Paper 729-B
The volcanic sequence of the Quaternary Yellowstone plateau consists of rhyolites and basalts representing three volcanic cycles. The major events of each cycle were eruption of a voluminous ash-flow sheet and formation of a large collapse caldera. Lesser events of each cycle were eruption of precaldera and postcaldera rhyolitic lava...
Geologic map of the Taruntius Quadrangle of the Moon
D.E. Wilhelms
1972, IMAP 722
The distribution of major physiographic provinces and geologic units of the Tarantius quadrangle is determined by the five intersecting circular multi-ringed mare basins. Three basins, i<span...
Geologic map of the Colombo Quadrangle of the Moon
D. P. Elston
1972, IMAP 714
Relative ages of structures and geologic units have been determined from intersection and apparent overlap relations and from morphologic freshness reflecting degree of preservation. The fivefold crater-age sequence is based on the classification of Shoemaker and Hackman (1962<span...