
The Allegheny River valley forms the industrial and transport corridor of this early 20th-century survey, anchored by the developing hub of New Kensington. In the river, Twelvemile Island sits between Acmetonia and Denny, while a dense network of valley-bound settlements like Springdale and Cheswick follow the Pennsylvania RR lines. Further inland, the landscape shifts toward the upland farms and small villages of Middlesex and Clinton townships.
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7 editions found
1900 · Kittanning
USGS Topo · 1:62,500
1902 · Kittanning
USGS Topo · 1:62,500
1904 · Mc Keesport
USGS Topo · 1:62,500
1904 · Carnegie
USGS Topo · 1:62,500
1904 · Greensburg
USGS Topo · 1:62,500
1906 · Carnegie
USGS Topo · 1:62,500
1906 · Greensburg
USGS Topo · 1:62,500
1906 · Sewickley
USGS Topo · 1:62,500
1907 · Pittsburg
USGS Topo · 1:62,500
1907 · Freeport
USGS Topo · 1:62,500