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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

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Seismicity map of the State of Ohio

The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1977.  The data have been reexamined and intensities assigned where none had been assigned before, on the basis of available data.  Other intensity values were up

Seismicity map of the State of Tennessee

The earthquake data shown on this map and listed in table 1 are a list of earthquakes that were originally used in preparing the Seismic Risk Studies in the United States (Algermissen, 1969) which have been recompiled and updated through 1977. These data have been reexamined which resulted in some revisions of epicenters and intensities as well as assignment of intensities to earthquakes that prev

Shaded relief map of Mercury

No abstract available.

Shaded relief map of the Caloris Planitia area of Mercury

No abstract available.

Shaded relief map of the Eridania Quadrangle of Mars

No abstract available.

Shaded relief map of the Hellas Quadrangle of Mars

No abstract available.

Shaded relief map of the Phaethontis Quadrangle of Mars

No abstract available.

Shaded relief map of the Thaumasia Quadrangle of Mars

No abstract available.

Slope map, Connecticut Valley urban area, central New England

No abstract available.

Slope stability map of Fairfax County, Virginia

No abstract available.

Structure contour map of buried Precambrian basement-rock surface, eastern part of the Rolla 1° x 2° quadrangle and adjacent areas, Missouri

No abstract available.

Structure contour map of buried Precambrian basement-rock surface, eastern part of the Rolla 1° x 2° quadrangle and adjacent areas, Missouri

No abstract available.