GIS Data
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Shaded-relief bathymetric and backscatter maps of Santa Monica Margin, California
No abstract available.
The lower Pennsylvanian unconformity in the central Appalachian Basin
No abstract available.
Bathymetry of the Republic of the Marshall Islands and vicinity
The bathymetric map of the Republic of the Marshall Islands and vicinity is bounded by a window of latitude 3 to 17 degrees North, longitude 153 to 175 degrees East. The map was compiled from surveys conducted by the USGS, Korean Ocean Research and Development Institute, and published gridded data. In addition to national jurisdictions, island and atoll coastlines are indicated on the map.
Bedrock geologic map of central and southern New Jersey
No abstract available.
Bituminous coal production in the Appalachian Basin: Past, present, and future
This report on Appalachian basin coal production consists of four maps and associated graphs and tables, with links to the basic data that were used to construct the maps. Plate 1 shows the time (year) of maximum coal production, by county. For illustration purposes, the years of maximum production are grouped into decadal units. Plate 2 shows the amount of coal produced (tons) during the year of