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3321 results.

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Page 83, results 2051 - 2075

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Seismicity map of Florida
C. W. Stover, B.G. Reagor, S. T. Algermissen
1979, Miscellaneous Field Studies Map 1056
No abstract available....
Restored stratigraphic cross sections and coal correlations in the Tongue River member of the Fort Union Formation, Powder River area, Montana
R. M. Flores
1979, Miscellaneous Field Studies Map 1127
Exposures of the lower two thirds of the Tongue River Member of the Paleocene Fort Union Formation were measured along the Powder River valley in southeastern Montana in the Moorhead and Birney-Broadus coalfields.  This report documents the stratigraphic variations, lateral continuity of partly eroded coal beds along the line of...
Map showing high-purity silica sand of Middle Ordovician age in the Midwestern states
Keith B. Ketner
1979, Miscellaneous Field Studies Map 1097
Certain quartz sands of Middle Ordovician age in the Midwestern States are well known for their purity and are exploited for a wide variety of industrial uses. The principal Middle Ordovician formations containing high-purity sands are the St. Peter Sandstone which crops out extensively from Minnesota to Arkansas; the Everton...
Lake Ontario geological and geophysical data sources
Deborah R. Hutchinson, Richard J. Wold
1979, Miscellaneous Field Studies Map 1103
A bibliography of various geological and geophysical data sources was compiled as part of an overall effort to evaluate the status of research on the Great Lakes.  We hope that such a summary will be a catalyst for additional work and be an aid in planning future work.  Our presentation...