TY  - RPRT
TI  - Maps showing anomalous copper concentrations in stream sediments and heavy-mineral concentrates from the Ajo and Lukeville 1 degree by 2 degrees quadrangles, Arizona
AU  - P. K. Theobald
AU  - H. N. Barton
PY  - 1987
DO  - 10.3133/mf1834c
UR  - https://pubs.usgs.gov/publication/mf1834C
ID  - mf1834C
ER  -