Coal Resource Classification System of the U.S. Geological Survey
By Gordon H. Wood, Jr., Thomas M. Kehn, M. Devereux Carter, and William C. Culbertson
GEOLOGICAL SURVEY CIRCULAR 891
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| Figure 30 - SP, gamma ray, density, dual-induction-lateral log, and neutron logs (1978) from Getty Tri-County No. 1 well, Rosebud county, Montana |
Created by the EERT WWW Staff.
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