EarthWorks Geospatial Catalog

Seismicity of the Earth, 1900-2007 [cartographic material] / by Arthur C. Tarr ... [et al.].

Relief shown by shading. Title screen viewed on April 15, 2011. Includes text, schematic diagram of a focal mechanism, 1 table, and 3 ancillary maps.
U.S. Dept of the Interior, U.S. Geological Survey
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