TY  - RPRT
TI  - Estimates of undiscovered conventional oil and gas resources in the United States: A part of the Nation's energy endowment
AU  - R. F. Mast
AU  - G.L. Dolton
AU  - R. A. Crovelli
AU  - D. H. Root
AU  - E. D. Attanasi
AU  - P.E. Martin
AU  - L.W. Cooke
AU  - G.B. Carpenter
AU  - W.C. Pecora
AU  - M.B. Rose
PY  - 1989
DO  - 10.3133/7000090
UR  - https://pubs.usgs.gov/publication/7000090
ID  - 7000090
ER  -