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Cover image for Assessment of stream quality using biological indices at selected sites in the Brandywine Creek basin, Chester County, Pennsylvania, 1981-97

Assessment of stream quality using biological indices at selected sites in the Brandywine Creek basin, Chester County, Pennsylvania, 1981-97

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Cover image for Assessment of stream quality using biological indices at selected sites in the Delaware River basin, Chester County, Pennsylvania, 1981-97

Assessment of stream quality using biological indices at selected sites in the Delaware River basin, Chester County, Pennsylvania, 1981-97

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Cover image for Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97

Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97

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Cover image for Altitude and configuration of the potentiometric surface in part of Lower Oxford, East Nottingham, and West Nottingham Townships, and in part of the Borough of Oxford, Chester County, Pennsylvania, April through June, 2003

Altitude and configuration of the potentiometric surface in part of Lower Oxford, East Nottingham, and West Nottingham Townships, and in part of the Borough of Oxford, Chester County, Pennsylvania, April through June, 2003

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Cover image for U.S. Geological Survey cooperative water-resources programs in Chester County, Pennsylvania

U.S. Geological Survey cooperative water-resources programs in Chester County, Pennsylvania

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Cover image for Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97

Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97

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Cover image for Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97

Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97

Joyner Library - Fed Docs Stacks
Call Number: I 19.127:115-02
Cover image for Assessment of stream conditions and trends in biological and water-chemistry data from selected streams in Chester County, Pennsylvania, 1981-97

Assessment of stream conditions and trends in biological and water-chemistry data from selected streams in Chester County, Pennsylvania, 1981-97

Joyner Library - Fed Docs Stacks
Call Number: I 19.42/4:02-4242
Cover image for Effect of urbanization on the water resources of eastern Chester County, Pennsylvania

Effect of urbanization on the water resources of eastern Chester County, Pennsylvania

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Cover image for Drought-trigger ground-water levels in Chester County, Pennsylvania, for the period of record ending May 2006

Drought-trigger ground-water levels in Chester County, Pennsylvania, for the period of record ending May 2006

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