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Publication Extents

Not all publications have extents, not all extents are completely accurate
ALACARTE user manual
Carl M. Wentworth, Todd T. Fitzgibbon
1991, Open-File Report 91-587-C
ALACARTE offers a convenient way to compile geologic maps in the computer as spatial databases that can be used to prepare both cartographic images and analytic derivatives. It is a menu-controlled shell, organized in geologic terms, that provides on-screen control of the program ARC/INFO, a commercial geographic information system (GIS). Input can...
Publications of the Branch of Atlantic Marine Geology for Calendar Year 1990
Margaret C. Mons-Wengler, Robert N. Oldale
1991, Open-File Report 91-440
This U.S. Geological Survey Open-File Report [extract] contains a listing of publications authored or co-authored by members of the Branch of Atlantic Marine Geology and published in calendar year 1990. The Branch conducts a broad geologic and geophysical research and mapping program, primarily along the U.S. Atlantic Margin, in the...
Water-quality indicators in the Prairie du Chien-Jordan Aquifer, southeastern Minnesota
Shannon E. Smith
1991, Open-File Report 91-480
The Prairie du Chien-Jordan aquifer, which consists of the dolomitic Prairie du Chien Group and the underlying Jordan Sandstone, extends over southeastern Minnesota (fig. 1). Water quality in the aquifer fluctuates areally and with depth throughout the aquifer. Differences in chemical constituent concentrations are a result of both natural hydrogeologic...
Reconnaissance geochemical survey of the Farah Garan-Kutam mineral belt, Kingdom of Saudi Arabia
R.M. Samater, P.R. Johnson, A. A. Bookstrom
1991, Open-File Report 91-39
Wadi-sediment samples were collected from 450 sites in a 580-km2 area (sample density 1.5 per km2) as part of an exploration program designed to assess the mineral potential of the Farah Garan - Kutam mineral belt and to evaluate mineralization at the Farah Garan ancient working (DGMR Project 3.03.10). Demagnetized...