TY  - RPRT
TI  - Gravity survey in parts of Maricopa and Pinal counties, Arizona
AU  - Jerry H. Hassemer
AU  - Danny A. Dansereau
PY  - 1980
DO  - 10.3133/ofr801255
UR  - https://pubs.usgs.gov/publication/ofr801255
ID  - ofr801255
ER  -