TY  - RPRT
TI  - Geologic map of the Tower quadrangle, St. Louis County, Minnesota
AU  - Richard W. Ojakangas
AU  - P. K. Sims
AU  - Peter R. Hooper
PY  - 1978
DO  - 10.3133/gq1457
UR  - https://pubs.usgs.gov/publication/gq1457
ID  - gq1457
ER  -