![](http://www.alamy.com/thumbs/6/E6E727A5-724E-4D90-90C1-C1AA317AE917/MP8P4B.jpg)
. Flatboat (foreground) and Keelboat around Pittsburgh, late 18th century . late 18th century. Unknown 762 Keelboat and flatboat
Size: 2735px × 1828px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., /, /., 18th, century., late, unknown.