TY  - RPRT
TI  - Thickness and lithology of Upper Devonian and Carboniferous rocks in Michigan
AU  - G. V. Cohee
AU  - Carol Macha
AU  - Margery Holk
PY  - 1951
DO  - 10.3133/oc41
UR  - https://pubs.usgs.gov/publication/oc41
ID  - oc41
ER  -