TY  - RPRT
TI  - Instructions for using the punch-card system for the storage retrieval of ground-water data
AU  - S.M. Lang
AU  - A.R. Leonard
PY  - 1966
DO  - 10.3133/ofr6676
UR  - https://pubs.usgs.gov/publication/ofr6676
ID  - ofr6676
ER  -