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1929 Map of Tyrone

Name: 1929 Topographic Map of Tyrone
Creator: U.S. Geological Survey
Published: 1954
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1954

About this map

The industrial and agricultural geography of Central Pennsylvania is clearly defined here by the confluence of the Little Juniata River and the Frankstown Branch. The Pennsylvania RR corridor serves as the primary artery for the region, anchoring settlements like Tyrone and Alexandria. In the shadows of Bald Eagle Mountain and Tussey Mountain, the landscape reveals an earlier era of iron production, evidenced by the presence of Union Furnace and Pennsylvania Furnace. These sites, along with the scattered one-room schoolhouses such as Cabin Ford Sch and Mountain Orchard Sch, illustrate a community structured around valley floor resource extraction and highland rural life.

The geological complexity of the region is striking, particularly in the subterranean drainage patterns of Sinking Valley and the rugged expanse of The Barrens. Small farming hamlets like Warriorsmark and Arch Spring are connected by a network of runs and creeks that cut through the sharp ridges of Leading Ridge and Diamond Ridge. This survey captures the transition of the Juniata Valley from a frontier of small-scale iron works to an established railroad and manufacturing hub.