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  3. Typical low-level dams in the Schuylkill River basin. Chester County, Pennsylvania. circa. 1984.

Typical low-level dams in the Schuylkill River basin. Chester County, Pennsylvania. circa. 1984.

Dates

Date Taken
1984

Summary

Typical low-level dams in the Schuylkill River basin. A, Black Rock Dam near Phoenixville. Chester County, Pennsylvania. circa. 1984. Published as figure 4-A in U. S. Geological Survey. Water-supply paper 2256-B. 1985.

Contacts

Data Owner :
U.S. Geological Survey
Photographer :
Yorke, Thomas H

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yth00024.jpg thumbnail 665.87 KB image/jpeg
yth00024.tif 10.76 MB image/geotiff

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Available in the U.S. Geological Survey Denver Library Photographic Collection, Yorke, Thomas H Collection

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