
The anthracite coalfields of the ridge-and-valley region are clearly defined in this late 19th-century survey, specifically highlighting the industrial corridor between Wiconisco Mountain and Berry Mountain. Broad bands of Coal deposits are mapped along the high ridges, fueling the growth of company towns and rail junctions. The Summit Branch Railroad and the Lykens Valley Branch of P. and R. Railroad serve as the primary arteries for this extractive economy, connecting Lykens, Williamstown, and Tower City to wider markets. North of these industrial heights, the landscape shifts toward the agricultural valleys of Hubley and Hegins, where smaller settlements like Gratz, Sacramento, and Valley View are established along the drainage of Mahantango Creek and Deep Creek. The map provides a detailed view of the complex topography that dictated Pennsylvania's early mining infrastructure and rural settlement patterns.
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