TY  - RPRT
TI  - Map showing approximate top of Jacobsville sandstone, an erosion surface, in parts of Rockland and Greenland quadrangles, Ontonagon County, Michigan
AU  - Jesse W. Whitlow
PY  - 1970
DO  - 10.3133/ofr71324
UR  - https://pubs.usgs.gov/publication/ofr71324
ID  - ofr71324
ER  -