TY  - RPRT
TI  - Preliminary structure contour map of the Colorado plains
AU  - E.A. Finley
AU  - C. E. Dobbin
AU  - E.E. Richardson
PY  - 1955
DO  - 10.3133/om176
UR  - https://pubs.usgs.gov/publication/om176
ID  - om176
ER  -