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2013 Map of Portland

Name: 2013 Topographic Map of Portland
Creator: U.S. Geological Survey
Published: 2013
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2013

About this map

The Delaware River serves as the central artery for this border region between Pennsylvania and New Jersey, where the settlements of Portland and Columbia are linked by bridges and historical transport corridors. The landscape is defined by the significant passage of the Belvidere Delaware RR and major thoroughfares like I-80 and Us-46, which navigate the terrain alongside the Paulins Kill. Smaller communities such as Mount Bethel, Ramseysburg, and Delaware are clustered near the riverbank, reflecting a long history of water-dependent development and rail-era connectivity.

Away from the river, the terrain rises toward peaks like Mount Tammany and Indian Head, while the valley floor is dotted with local landmarks including Eagle Nest Farm Camp and Blairstown Airport. The presence of several smaller water bodies like Columbia Lake and Lake Susquehanna suggests a shift toward recreational land use in the 21st century, complementing the older agricultural and industrial foundations found at Hill Yard and Marshfield Station.