TY  - RPRT
TI  - Mineral resources of the Signal Mountain Wilderness Study Area, Maricopa County, Arizona
AU  - Floyd Gray
AU  - R. J. Miller
AU  - J.R. Hassemer
AU  - D.H. Knepper
AU  - J. A. Pitkin
AU  - W. F. Hanna
AU  - T. J. Kreidler
PY  - 1989
DO  - 10.3133/b1702c
UR  - https://pubs.usgs.gov/publication/b1702C
ID  - b1702C
ER  -