http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geothermal gradient map of the United States, exclusive of Alaska and Hawaii
1 map on 2 sheets : color ; 132 x 196 cm., sheets 140 x 102 cm., folded in envelope 32 x 24 cm.
by Andrea Kron and John Stix ; map produced by the National Geophysical Data Center, National Oceanic and Atmospheric Administration for the Los Alamos National Laboratory, University of California ; map prepared by Ronald H. Smith, Lawrence W. Miller, Joy A. Ikelman.
Work funded by grant from Dept. of Energy, Division of Geothermal and Hydropower Technologies to Hot Dry Rock Geothermal Program.
Scale 1:2,500,000. 1 cm. equals 25 km. 1 in. equals approx. 40 miles ;
Albers equal-area proj. based on standard parallels 29 1/2₋p0₋s and 45 1/2₋p0₋s
NOAA/NGDC, Data Mapping Group, Code D62, 325 Broadway, Boulder, CO 80303