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1. North American Atlas - Bathymetry (Polygons)

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This polygon shapefile contains bathymetric data with depth in metres for ocean areas covered by the extent of the North American Atlas project. Is... Canada Centre for Mapping.

2. South Dakota Block Centroid Populations 2002

2000. Environmental Systems Research Institute, Inc. (ESRI). South Dakota Block Centroid Populations represents the population of the U.S. Census block centroids for South Dakota. U.S. Census blocks are the ... Environmental Systems Research Institute, Inc. (ESRI).

3. South Dakota Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). South Dakota Block Groups represents the U.S. Census block groups of South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

4. South Dakota Major Roads 2002

1999. Geographic Data Technology, Inc. (GDT). South Dakota Major Roads represents interstate, U.S., and state highways and other major thoroughfares within South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

5. South Dakota Rivers 2002

1997. Geographic Data Technology, Inc. (GDT). South Dakota Rivers represents streams and rivers within South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

6. South Dakota Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). South Dakota Tracts represents the U.S. Census tracts and block numbering areas (BNA) of South Dakota. Environmental Systems Research Institute, Inc. (ESRI).

7. South Dakota ZIP Code Areas 2002

2001. Geographic Data Technology, Inc. (GDT). South Dakota ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. Postal Service to deliver mail more effectively. The first digit... Environmental Systems Research Institute, Inc. (ESRI).

8. 1:1,000,000-Scale County Boundaries of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).

9. 1:1,000,000-Scale County Boundary Lines of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. This layer was derived from t... Geological Survey (U.S.).

10. 1:1,000,000-Scale Major Roads of the United States, 2012

2012. Geological Survey (U.S.). This map layer portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the indivi... Geological Survey (U.S.).