TY  - RPRT
TI  - Basement rock map of the United States, exclusive of Alaska and Hawaii
AU  - Richard W. Bayley
AU  - William R. Muehlberger
PY  - 1968
DO  - 10.3133/70211241
UR  - https://pubs.usgs.gov/publication/70211241
ID  - 70211241
ER  -