TY  - RPRT
TI  - Status of three-dimensional geological mapping and modeling activities in the U.S. Geological Survey
AU  - Donald S. Sweetkind
AU  - Russell Graymer
AU  - D.K. Higley
AU  - Oliver S. Boyd
PY  - 2019
UR  - https://pubs.usgs.gov/publication/70206263
ID  - 70206263
ER  -