TY  - RPRT
TI  - 1:2,000,000-scale digital line graph data on CD-ROM
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1995
DO  - 10.3133/fs17095
UR  - https://pubs.usgs.gov/publication/fs17095
ID  - fs17095
ER  -