National Geologic Map Database
General Information
- Title: Phytoplankton dynamics of the fresh; tidal Potomac River, Maryland, for the summers of 1979 to 1981
- Author(s): Cohen, R.R.H.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Water-Supply Paper 2234-C
- Larger Work: A water quality study of the tidal Potomac River and Estuary
- Publication Date: 1988
- Map Scale: 1:506,000
- Cross Section: None
- North Latitude: 38° 55' 1" N (38.9170)
- South Latitude: 38° 30' 0" N (38.5000)
- East Longitude: 77° 0' 0" W (-77.0000)
- West Longitude: 77° 16' 30" W (-77.2750)
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