TY - RPRT TI - Structure contour map and isochore map of the nonmarine part of the Mesaverde Group, Piceance Creek basin, Colorado AU - M.P. Granica AU - R. C. Johnson PY - 1980 DO - 10.3133/mf1189 UR - https://pubs.usgs.gov/publication/mf1189 ID - mf1189 ER -