TY  - RPRT
TI  - Statistical classification of hydrogeologic regions in the fractured rock area of Maryland and parts of the District of Columbia, Virginia, West Virginia, Pennsylvania, and Delaware
AU  - Brandon J. Fleming
AU  - Andrew E. LaMotte
AU  - Andrew J. Sekellick
PY  - 2013
DO  - 10.3133/sir20135043
UR  - https://pubs.usgs.gov/publication/sir20135043
ID  - sir20135043
ER  -