TY  - RPRT
TI  - The design and use of hydrogeologic maps
AU  - J.C. Warman
AU  - D.R. Wiesnet
PY  - 2006
DO  - 10.1111/j.1745-6584.1966.tb01589.x
UR  - https://pubs.usgs.gov/publication/70221267
ID  - 70221267
ER  -