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Start Over Place Iowa Creator Geological Survey (U.S.) Bounding Box -86.51116 39.149274 -86.508949 39.150938

4. 1:1,000,000-Scale Contours of the Conterminous United States

Stanford University Public content
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.

5. 1:1,000,000-Scale County Boundaries of the United States, 2014

Stanford University Public content
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.).

7. 1:1,000,000-Scale Major Roads of the United States, 2012

Stanford University Public content
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.).

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

Stanford University Public content
2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).