TY  - RPRT
TI  - A geochemical study of alluvium-covered copper deposits in Pima County, Arizona
AU  - Lyman C. Huff
AU  - A. P. Marranzino
AU  - H. M. Nakagawa
PY  - 1970
DO  - 10.3133/b1312c
UR  - https://pubs.usgs.gov/publication/b1312C
ID  - b1312C
ER  -