TY - RPRT TI - Chart showing identification of oil shale and trona beds and their geophysical log responses in the Union Pacific Railroad Company El Paso Corehole no. 44-3, Eocene Green River Formation, southwest Wyoming AU - H. W. Roehler PY - 1991 DO - 10.3133/mf2188 UR - https://pubs.usgs.gov/publication/mf2188 ID - mf2188 ER -