geothermal data compiled and interpreted by Henry P. Heasler with assistance from B.S. Hinckley ... [et al.] of the Department of Geology and Geophysics, University of Wyoming ; map produced by the National Geophysical Data Center, National Oceanic and Atmospheric Administration for the Geothermal and Hydropower Technologies Division, United States Department of Energy.
University of Wyoming. Department of Geology and Geophysics
[Washington, D.C.] : The Division ; Laramie, Wyo. : Map available at the Wyoming Geological Survey, 1983.