1946 Map of Hammersley Fork

About this map

Kettle Creek carves a dramatic serpentine course through this portion of north-central Pennsylvania, defining the development of the small settlements of Leidy and Hammersley Fork. The 1946 topography, updated in the 1970s, reveals a landscape where human activity is concentrated along the narrow valley floor and its immediate tributaries, including Trout Run and Hammersley Fork. Significant for genealogical research, the map identifies several family-named burial sites such as Calhoun Cem, McCoy Cem, and Summerson Cem. A distinct industrial footprint is evident from the Pipeline corridors crossing the high ridges of Trout Run Mtn and Fork Hill. The transition of the valley is further marked by the planned inundation area for the Alvin R. Bush Dam, which significantly altered the local geography along the Kettle Creek basin.