TY - RPRT TI - Economics and undiscovered conventional oil and gas accumulations in the 1995 National Assessment of U.S. oil and gas resources: conterminous United States AU - E. D. Attanasi AU - Donald L. Gautier AU - David H. Root PY - 1995 DO - 10.3133/ofr9575h UR - https://pubs.usgs.gov/publication/ofr9575H ID - ofr9575H ER -