
Ashokan Reservoir dominates the northern landscape of this Ulster County region, reflecting the significant civil engineering projects undertaken to secure the New York City water supply. Below the massive impoundment, the Esopus Creek and Rondout Creek valleys reveal a dense network of early 20th-century settlements and infrastructure. The industrial character of the era is evident in the cluster of cement-producing hamlets near Whiteport and Creeklocks, alongside the intricate web of competing rail lines like the Ulster and Delaware and the Wallkill Valley.
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1892 · Kaaterskill
USGS Topo · 1:62,500
1893 · Kaaterskill
USGS Topo · 1:62,500
1893 · Poughkeepsie
USGS Topo · 1:62,500
1894 · Kaaterskill
USGS Topo · 1:62,500
1894 · Poughkeepsie
USGS Topo · 1:62,500
1895 · Catskill
USGS Topo · 1:62,500
1898 · Rhinebeck
USGS Topo · 1:62,500
1899 · Kaaterskill
USGS Topo · 1:62,500
1900 · Phoenicia
USGS Topo · 1:62,500
1903 · Poughkeepsie
USGS Topo · 1:62,500