This unusual map of multiple important cities on the Ohio River -- greater Pittsburgh and Cincinnati -- is very detailed as to streets, important locations, etc. Also, the wards are shown.
1874 Colton Map of Pittsburgh and Cincinnati
The Cities of Pittsburgh with Allegheny [on a sheet with] The City of Cincinnati
Map Maker Specifics
J Colton, 1874, Philadelphia
12.5 x 15.5 in. plus margins
Very Good. Very slight marginal age toning. Good colors.