TY  - RPRT
TI  - Records of massive sulfide occurrences in Arizona
AU  - Michael E. Donnelly
AU  - Clay M. Conway
AU  - Robert L. Earhart
PY  - 1987
DO  - 10.3133/ofr87406
UR  - https://pubs.usgs.gov/publication/ofr87406
ID  - ofr87406
ER  -