TY  - RPRT
TI  - Digital geologic map of Arizona: A digital database derived from the 1983 printing of the Wilson, Moore, and Cooper 1:500,000-scale map
AU  - Douglas M. Hirschberg
AU  - G. Stephen Pitts
PY  - 2000
DO  - 10.3133/ofr00409
UR  - https://pubs.usgs.gov/publication/ofr00409
ID  - ofr00409
ER  -