TY  - RPRT
TI  - Maps showing nonmetallic mineral deposits in the Phoenix area, Arizona
AU  - R. T. Moore
AU  - R. J. Varga
PY  - 1976
DO  - 10.3133/i845j
UR  - https://pubs.usgs.gov/publication/i845J
ID  - i845J
ER  -