TY  - RPRT
TI  - Geothermal resource assessment of the United States
AU  - L.J.P. Muffler
AU  - R.L. Christiansen
PY  - 1978
DO  - 10.1007/bf00879743
UR  - https://pubs.usgs.gov/publication/70012655
ID  - 70012655
ER  -