TY  - RPRT
TI  - Preliminary report on the bedrock geology and copper deposits of the Matchwood quadrangle, Ontonagon County, Michigan
AU  - Robert Francis Johnson
AU  - Walter Stanley White
PY  - 1969
DO  - 10.3133/ofr69135
UR  - https://pubs.usgs.gov/publication/ofr69135
ID  - ofr69135
ER  -