TY - RPRT TI - Descriptions of continuous-type (unconventional) plays of the U.S. Geological Survey 1995 National assessment of United States oil and gas resources AU - J. W. Schmoker AU - Shirley A. Oscarson PY - 1995 DO - 10.3133/ofr9575b UR - https://pubs.usgs.gov/publication/ofr9575B ID - ofr9575B ER -