TY  - RPRT
TI  - Addendum [to Open-file report 1799][Open-file report 1799 changed to Open-file report 72-394]
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1973
DO  - 10.3133/ofr72394_suppliment
UR  - https://pubs.usgs.gov/publication/ofr72394_suppliment
ID  - ofr72394_suppliment
ER  -