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1955 Map of Gap

Name: 1955 Topographic Map of Gap
Creator: U.S. Geological Survey
Published: 1977
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1977

About this map

Mine Ridge dominates the central landscape of this Lancaster County quadrangle, serving as a backdrop for the industrial and agricultural development of Bart and Sadsbury townships. The local economy is deeply tied to the land, evidenced by the clustered settlement of Nickel Mines and the historic Nickel Mines Mission, which speak to the area’s mineral wealth. To the east, the village of Christiana sits along the Conrail line, a critical transportation corridor that also passes through Gap and Jacksonville.

The rural social fabric is well-preserved through numerous local institutions, including Middle Octorara Ch and various schoolhouses like Cedar Hill Sch and White Oak Sch. The network of waterways, notably the West Branch Octoraro Creek and its tributaries such as Nickel Mines Run, powered early industry at sites like Conners Mill. This survey documents a landscape where traditional crossroads communities such as Georgetown (Bart PO) remained focal points for rural life.