Water-quality study of Tulpehocken Creek, Berks County, Pennsylvania, prior to Impoundment of Blue Marsh Lake

MLA

Barker, James L., Geological Survey (U.S.) and United States. Water-quality study of Tulpehocken Creek, Berks County, Pennsylvania, prior to Impoundment of Blue Marsh Lake. Harrisburg, Pennsylvania : United States Department of the Interior, Geological Survey, 1977.

APA

Barker, J., Geological Survey (U.S.) & United States. (1977). Water-quality study of Tulpehocken Creek, Berks County, Pennsylvania, prior to Impoundment of Blue Marsh Lake. Harrisburg, Pennsylvania : United States Department of the Interior, Geological Survey.

Chicago

Barker, James L., Geological Survey (U.S.) and United States. Water-quality study of Tulpehocken Creek, Berks County, Pennsylvania, prior to Impoundment of Blue Marsh Lake. Harrisburg, Pennsylvania : United States Department of the Interior, Geological Survey, 1977.