Source Detail


Title Person(s) Vol. Page(s) Date 1 Date 2


Abbreviation Type Citation
Krebs 1890 cadastral maps Krebs, Otto. Map of Allegheny County, Pennsylvania, 1890: with adjoining parts of Westmoreland, Washington & Beaver counties. Library of Congress Land Ownership Map 703. Pittsburgh, Pa.: Otto Krebs, 1890.

Calculated URL


Event Links

Detail Type Description Successful? Date
View Annexation Robinson Township-Collier Township Reconstructed 1890-1898 Annexation yes? 1890–1898