Estimates of technically recoverable natural gas resources for continuous-type (unconventional) plays in coal beds on federal lands of the conterminous United States [microform] / by Robert A. Crovelli and Vito F. Nuccio (Open-file report ; 97-491)
Estimates of technically recoverable natural gas resources for continuous-type (unconventional) plays in coal beds on federal lands of the conterminous United States [microform] / by Robert A. Crovelli and Vito F. Nuccio