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Page 4188, results 104676 - 104700

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geologic studies in Alaska by the U.S. Geological Survey, 1991
Dwight Culver Bradley, Cynthia Dusel-Bacon, editor(s)
1992, Bulletin 2041
This collection of twenty-one papers continues the annual series of U.S. Geological Survey reports on the geology of Alaska. These contributions, which include full-length Articles and shorter Geologic Notes, are grouped under two broad headings: Mineral Resource Studies (ten papers) and Geologic Framework Studies (eleven papers). Reports on mineral resources...
Limnology of Big Lake, south-central Alaska, 1983-84
Paul F. Woods
1992, Water Supply Paper 2382
The limnological characteristics and trophic state of Big Lake in south-central Alaska were determined from the results of an intensive study during 1983-84. The study was begun in response to concern over the potential for eutrophication of Big Lake, which has experienced substantial residential development and recreational use because of...
Chemistry of the subalkalic silicic obsidians
Ray MacDonald, Robert L. Smith, John E. Thomas
1992, Professional Paper 1523
Nonhydrated obsidians are quenched magmatic liquids that record in their chemical compositions details of the tectonic environment of formation and of the differentiation mechanisms that affected their subsequent evolution. This study attempts to analyze, in terms of geologic processes, the compositional variations in the subalkalic silicic obsidians (Si02≥70 percent by...
Geohydrologic systems in Kansas — Physical framework of the Great Plains aquifer system
Joseph M. Spinazola, R. J. Wolf, Harold E. McGovern
1992, Hydrologic Atlas 722-B
The purpose of this map report is to provide a description of one of the principal geohydrologic systems in Upper Cambrian through Lower Cretaceous rocks in Kansas. The report is the result of an investigation made as part of the Central Midwest Regional Aquifer-System Analysis (CMRASA). The CMRASA is one...
Geohydrologic systems in Kansas physical framework of the western interior plains confining system
R. J. Wolf, Harold E. McGovern, Joseph M. Spinazola
1992, Hydrologic Atlas 722-C
The purpose of this Hydrologic Investigations Atlas is to provide a description of the principal geohydrologic systems in the Upper Cambrian through Lower Cretaceous rocks in Kansas.  This investigation was made as part of the Central Midwest Regional Aquifer-System Analysis (CMRASA). The CMRASA is one of several major investigations by...