National Geologic Map Database
General Information
- Title: Geothermal gradient map of North America
- Author(s): DeFord, R.K., Kehle, R.O., Connolly, E.T., Robinson, J.E., Schoeppel, R.J., Horn, M.K., Lassley, R.H., Kinney, D.M., Del Arenal, Rodolfo, and Shelton, J.W.
- Publishing Organization: American Association of Petroleum Geologists
- Publication Date: 1976
- Map Scale: 1:5,000,000
- Cross Section: None
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