Water-Quality Assessment of the Potomac River Basin: Water-Quality and Selected Spatial Data, 1992-1996
Entry ID: CBP_PNAQWA

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Summary
Abstract: The U.S. Geological Survey (USGS) implemented the National Water-Quality
Assessment (NAWQA) Program to describe the status and trends in the quality of
the Nation's surface water and ground water and to provide scientific
understanding of the natural and human-induced factors that affect water
quality. In 1991, twenty study units were started. Additional study units began
in 1994 and 1997. Data ... View entire text
Geographic Coverage
Spatial coordinates   
  N: 40.0   S: 38.0   E: -77.0   W: -79.0

Data Set Citation
Dataset Originator/Creator: U.S. Geological Survey
Dataset Title: Water-Quality Assessment of the Potomac River Basin: Water-Quality and Selected Spatial Data, 1992-96
Dataset Release Date: 1997
Dataset Publisher: U.S. Geological Survey
Online Resource: http://md.water.usgs.gov/pnawqa/datarpt/pages/intro.htm
Temporal Coverage
Start Date: 1992-01-01
Stop Date: 1996-12-31
Science Keywords
TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > ACID DEPOSITION Parameter Definition
TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > ALKALINITY Parameter Definition
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Access Constraints None
Use Constraints None
Data Set Progress
COMPLETE
Data Center
Potomac River, National Water Quality Assessment Program, Water Resources Discipline, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://md.water.usgs.gov/pnawqa/

Data Center Personnel
Name: POTOMAC NAWQA CHIEF
Phone: 410 238-4200
Contact Address:
U.S. Geological Survey
8987 Yellow Brick Road
City: Baltimore
Province or State: Maryland
Postal Code: 21237
Country: USA
Personnel
Role: TECHNICAL CONTACT
Phone: 410 238-4200
Contact Address:
U.S. Geological Survey
8987 Yellow Brick Road
City: Baltimore
Province or State: Maryland
Postal Code: 21237
Country: USA
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-09-29
Last DIF Revision Date: 2011-11-22
Future DIF Review Date: 2004-09-29
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