TY  - RPRT
TI  - Potentiometric surface of the Wilcox-Carrizo aquifer; Bienville, Red River, and northern Natchitoches, and southern Webster Parishes, Louisiana
AU  - G.N. Ryals
PY  - 1981
DO  - 10.3133/ofr801179
UR  - https://pubs.usgs.gov/publication/ofr801179
ID  - ofr801179
ER  -