TY  - RPRT
TI  - Maps showing gravity and aeromagnetic anomalies in the Butte 1° x 2° quadrangle, Montana
AU  - W. F. Hanna
AU  - J. H. Hassemer
AU  - J. E. Elliott
AU  - C. A. Wallace
AU  - S. L. Snyder
PY  - 1994
DO  - 10.3133/i2050i
UR  - https://pubs.usgs.gov/publication/i2050I
ID  - i2050I
ER  -