Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Map of the Allegheny River watershed.
Photographer: Unknown
Caption: Map of the Allegheny River watershed.
Submitted: July 28, 2011, by Mike Wintermantel of Pittsburgh, Pennsylvania.
Database Locator Identification Number: p164541
File Size: 0.142 Megabytes

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