TY  - RPRT
TI  - Summary of the hydrogeology of the Valley and Ridge, Blue Ridge, and Piedmont Physiographic Provinces in the eastern United States
AU  - Lindsay A. Swain
AU  - Thomas O. Mesko
AU  - Este F. Hollyday
PY  - 2004
DO  - 10.3133/pp1422a
UR  - https://pubs.usgs.gov/publication/pp1422A
ID  - pp1422A
ER  -