Watersheds of the Delaware and Schuylkill Rivers [with rainfall totals for numerous localities]. , 1920

Map

Title:
Watersheds of the Delaware and Schuylkill Rivers [with rainfall totals for numerous localities].
Date Created:
1920
Description:
2004.057.0210.003
Source:
Philadelphia Water Department
Image File(s)
PWD1920-2.​jp2