TY  - RPRT
TI  - Archean geology of the northern block of the Ishpeming greenstone belt, Marquette County, Michigan
AU  - R. C. Johnson
AU  - T.J. Bornhorst
AU  - L. M. H. Carter
PY  - 1991
DO  - 10.3133/b1904f
UR  - https://pubs.usgs.gov/publication/b1904F
ID  - b1904F
ER  -