TY  - RPRT
TI  - Preconstruction and postconstruction ground-water levels, Lock and Dam 2, Red River Valley, Louisiana
AU  - A. H. Ludwig
PY  - 1979
DO  - 10.3133/ofr79919
UR  - https://pubs.usgs.gov/publication/ofr79919
ID  - ofr79919
ER  -