TY  - RPRT
TI  - Aeromagnetic map of the Hells Gate Roadless Area, Gila County, Arizona
AU  - R.A. Martin
PY  - 1987
DO  - 10.3133/mf1644b
UR  - https://pubs.usgs.gov/publication/mf1644B
ID  - mf1644B
ER  -