Author
U.S. Geological Survey, Central Energy Resources Team
6
Dr. Thomas Ahlbrandt
2
Feliks M. Persits and Gregory F. Ulmishek
2
Douglas W. Steinshouer, Contractor to USGS, Denver, CO
1
Feliks M. Persits, Contractor to USGS, Denver, CO (comp.)
1
Lee M. Osmonson, USGS, Denver, CO (comp.)
1
Timothy R. Klett, USGS, Denver, CO (comp.) and others
1