
Coal mining and rail transport define the upper Yakima Valley corridor on this mid-century survey. The industrial hub of Roslyn sits adjacent to several active operations, including the No 9 Mine and No 7 Mine, while the Northern Pacific Railroad and the Milwaukee Road parallel the river through Cle Elum and South Cle Elum. This dual-rail infrastructure highlights the region's importance as a mountain crossing and resource extraction center.
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3 editions found
1897 · Mount Stuart
USGS Topo · 1:125,000
1899 · Ellensburg
USGS Topo · 1:125,000
1901 · Ellensburg
USGS Topo · 1:125,000
1901 · Snoqualmie Pass
USGS Topo · 1:125,000
1902 · Mount Aix
USGS Topo · 1:125,000
1902 · Mount Stuart
USGS Topo · 1:125,000
1903 · Snoqualmie
USGS Topo · 1:125,000
1904 · Mt Aix
USGS Topo · 1:125,000
1950 · Yakima
USGS Topo · 1:250,000
1957 · Wenatchee
USGS Topo · 1:250,000