The Helderberg Mountains define the western reaches of this landscape, where the elevation rises steeply above the valley floor. Clarksville serves as a central hub for the area's local road network, including historic thoroughfares like Plank RD and Lower Flat Rock RD. The drainage pattern is dominated by Onesquethaw Creek, which winds eastward through the terrain toward smaller hamlets like Tarrytown. To the north, the terrain transitions into significant rises such as Wolf Hill and Stony Hill, while the southern portion of the quadrangle is anchored by the northern tip of Alcove Reservoir.
81 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1893 · Coxsackie
USGS Topo · 1:62,500
1893 · Durham
USGS Topo · 1:62,500
1893 · Albany
USGS Topo · 1:62,500
1894 · Coxsackie
USGS Topo · 1:62,500
1894 · Durham
USGS Topo · 1:62,500
1895 · Albany
USGS Topo · 1:62,500
1898 · Albany
USGS Topo · 1:62,500
1900 · Berne
USGS Topo · 1:62,500
1903 · Berne
USGS Topo · 1:62,500
1927 · Albany
USGS Topo · 1:62,500