TY  - RPRT
TI  - Geologic map of the Tillie Hall Peak quadrangle, Greenlee County, Arizona, and Grant County, New Mexico
AU  - David Carl Hedlund
PY  - 1993
DO  - 10.3133/gq1715
UR  - https://pubs.usgs.gov/publication/gq1715
ID  - gq1715
ER  -