TY  - RPRT
TI  - GEOINDEX database on geologic maps accessible using GSSEARCH search and retrieval software
AU  - H. Kit Fuller
AU  - Gregory B. Gunnells
PY  - 1991
DO  - 10.3133/ofr91575b
UR  - https://pubs.usgs.gov/publication/ofr91575B
ID  - ofr91575B
ER  -