TY  - RPRT
TI  - Mineral resource assessment of the Kofa National Wildlife Refuge, Arizona
AU  - W.C. Bagby
AU  - G. B. Haxel
AU  - D. B. Smith
AU  - R. D. Koch
AU  - M. J. Grubensky
AU  - D. R. Sherrod
AU  - L. G. Pickthorn
PY  - 1987
DO  - 10.3133/ofr87609
UR  - https://pubs.usgs.gov/publication/ofr87609
ID  - ofr87609
ER  -