TY - RPRT TI - Evolution of porosity in "Deep" sandstones of the Permian upper part of the Minnelusa Formation, Powder River basin, Wyoming AU - Christopher J. Schenk PY - 1990 DO - 10.3133/ofr9078 UR - https://pubs.usgs.gov/publication/ofr9078 ID - ofr9078 ER -