TY  - RPRT
TI  - Water resources data Maryland and Delaware, water year 1969, Part 2. Water quality records
AU  - U.S. Geological Survey
PY  - 1972
DO  - 10.3133/wdrmdde692
UR  - https://pubs.usgs.gov/publication/wdrMDDE692
ID  - wdrMDDE692
ER  -