Search Constraints
You searched for:
Subject
Economy
Remove constraint Subject: Economy
Place
South Dakota
Remove constraint Place: South Dakota
« Previous |
11 - 14 of 14
|
Next »
Search Results
11. Refractory, Abrasive, and Other Industrial Minerals Operations
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents the locations of refractory, abrasive, and other industrial minerals operations in the United States. The data repr... National Atlas of the United States.
12. Sand and Gravel Operations in the United States
2002. Geological Survey (U.S.) Minerals Information Team. This point shapefile includes sand and gravel operations in the United States. These data were obtained from information reported voluntarily to th... National Atlas of the United States.
13. Seismic Hazard Map for the United States
2012. Rukstales, Kenneth S. (compiler). This polygon shapefile represents seismic hazards in the United States. The data represent a model showing the probability that ground motion will ... National Atlas of the United States.
14. Volcanoes: United States, 2004
2004. National Atlas of the United States. This point shapefile includes Holocene volcanoes, which are those thought to be active in the last 10,000 years, that are within an extended area o... National Atlas of the United States.