TY  - RPRT
TI  - A revision of stratigraphic nomenclature for middle precambrian rocks in Northern Michigan
AU  - W.F. Cannon
AU  - J. E. Gair
PY  - 1970
DO  - 10.1130/0016-7606(1970)81[2843:arosnf]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70207319
ID  - 70207319
ER  -