TY  - RPRT
TI  - Precambrian basement map of the north Mid-Continent, U.S.A.: A digital representation of the 1990 P.K. Sims map
AU  - Connie L. Dicken
AU  - Shana G. Pimley
AU  - William F. Cannon
PY  - 2001
DO  - 10.3133/ofr0121
UR  - https://pubs.usgs.gov/publication/ofr0121
ID  - ofr0121
ER  -