TY  - RPRT
TI  - Structure contour map of the top of the Rollins Sandstone Member of the Mesaverde Formation and Trout Creek Sandstone Member of the Iles Formation, Piceance Creek basin, Colorado
AU  - R. C. Johnson
PY  - 1983
DO  - 10.3133/mf1667
UR  - https://pubs.usgs.gov/publication/mf1667
ID  - mf1667
ER  -