TY  - RPRT
TI  - Relation of land use to nitrogen concentration in ground water in the Patuxent River basin, Maryland
AU  - E. R. McFarland
PY  - 1995
DO  - 10.3133/wri944170
UR  - https://pubs.usgs.gov/publication/wri944170
ID  - wri944170
ER  -