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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 937 records · Page 52Linked to original sources
USGS1978

Geologic and geophysical data from Osceola National Forest, Florida

Ten core holes were drilled as part of a hydrologic study of Osceola National Forest. This report describes the detailed lithology of the cores taken from test drilling, illustrates gamma-ray logs obtained from the test holes and from wells near the forest, and lists the microfauna obtained and identified from the cores. (Woodard-USGS)

Open-File Report↗
USGS1980

Geophysical logs and coal sections for four holes drilled in the Emery East quadrangle, Emery County, Utah

Four holes, for a total of 2,330 feet, were drilled in the Emery coal field, Utah, in April 1980 by the U.S. Geological Survey (fig. 1). Two of the holes were partially cored. The purpose of the drilling was to obtain information on the thickness, quality, and extent of the coal in the Cretaceous Ferron Sandstone Member of the Mancos Shale, and on the lithology of the surrounding rocks. Core samples were obtained to be used for coal quality and trace element analyses. The project is in support of the U.S. Geological Survey's continuing program to evaluate and classify Federal coal resources and lands in the public domain.

Open-File Report↗