TY  - RPRT
TI  - Water resources data for Pennsylvania, water year 1987. Volume 1: Delaware River Basin
AU  - J.R. Kolva
AU  - T.E. White
AU  - R.L. Druther
AU  - P. Moleski
PY  - 1989
DO  - 10.3133/wdrpa871
UR  - https://pubs.usgs.gov/publication/wdrPA871
ID  - wdrPA871
ER  -