TY  - RPRT
TI  - Basement map of North America: between latitudes 24° and 60° N
AU  - American Association of Petroleum Geologists
AU  - U.S. Geological Survey
PY  - 1967
DO  - 10.3133/70211073
UR  - https://pubs.usgs.gov/publication/70211073
ID  - 70211073
ER  -