Squier and Davis Illustrations: Portsmouth Works, Ohio River

Possible Geodetic Properties and Relationships of Some Monumental Earthworks in the Middle Ohio Valley.

Squier and Davis Drawings

Portsmouth Works, Ohio River 5726 x 4496 pixels

Squier and Davis Drawings
Alexandersville Baum Work Blackwater Bourneville Brush Creek Butler County Cedar-Bank Work Dunlaps Works	Great Miami Greene County High Bank Hopeton Hopewell Junction Group Junction Works Liberty Works	Marietta Works Miamisburg Mound Milford Newark Works Newark Gateway Octagon Observatory Paint Creek Works Portsmouth Detail	Portsmouth Works Scioto Valley Seal Works Seip Mound Serpent Mound The Plains, Athens Co. Winchester Worthington