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11. Geologic Unit Text Labels: Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands, 2005

2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This line shapefile contains text labels (for display purposes) of geologic lines coverages for Alaska, Hawaii, Puerto Rico and the U.S. Virgin Isl... Geological Survey (U.S.).

12. Geologic Units (Lines): Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands, 2005

2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This line shapefile contains lines with labels and tags for major geologic units in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. In add... Geological Survey (U.S.).

13. Geologic Units (Polygons): Generalized Geologic Map of Alaska, Hawaii, Puerto Rico, and the U.S. Virgin Islands, 2005

2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This polygon shapefile contains polygon boundaries, tags and labels for major geologic units in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Isl... Geological Survey (U.S.).

14. Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands

2003. Geological Survey (U.S.). Water Resources Division. Wisconsin District. This polygon shapefile contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islan... Geological Survey (U.S.).

15. Major Dams of the United States, 2002-2004

2002. Geological Survey (U.S.). This point shapefile portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extr... Geological Survey (U.S.).

16. 100-Meter Resolution Impervious Surface of Puerto Rico and the U.S. Virgin Islands, 2001

2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing impervious surface data for Puerto Rico and the Virgin Islands. Data are in an Albers Equal-A... Geological Survey (U.S.).

17. 100-Meter Resolution Land Cover of Puerto Rico and the U.S. Virgin Islands, 2001

2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing land cover data for Puerto Rico and the U.S. Virgin Islands, in an Albers Equal-Area Conic pr... Geological Survey (U.S.).

18. 100-Meter Resolution Tree Canopy of Puerto Rico and the U.S. Virgin Islands, 2001

2001. Geological Survey (U.S.). This raster layer is a georeferenced image containing tree canopy data for Puerto Rico and the U.S. Virgin Islands, in an Albers Equal-Area Conic p... Geological Survey (U.S.).

19. Official Protraction Diagram and Leasing Map Boundaries, United States, 2001

2001. United States. Minerals Management Service. This polygon shapefile shows the official protraction diagram (OPD) and leasing map boundaries for the United States, covering areas of the Outer C... Geological Survey (U.S.).

20. Urban Areas of the United States, 2001

2001. Geological Survey (U.S.). This data set includes a selection of urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). ... Geological Survey (U.S.).