
Sparta sits atop the high plateau of Baker County, serving as the primary landmark in this survey of the high desert and canyonlands of eastern Oregon. The settlement is anchored by Sparta Cem and a network of local routes like Gem Mine Rd and Sparta Ln, reflecting the area's extraction-based history. The landscape is defined by a complex drainage system where steep gulches like Maiden Gulch and Rattlesnake Gulch carry seasonal flows toward the Powder River in the south.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Pine
USGS Topo · 1:125,000
1955 · Baker
USGS Topo · 1:250,000
1957 · Halfway
USGS Topo · 1:62,500
1957 · Sparta
USGS Topo · 1:62,500
1957 · Durkee
USGS Topo · 1:62,500
1957 · Mineral
USGS Topo · 1:62,500
1959 · Baker
USGS Topo · 1:250,000
1981 · Baker
USGS Topo · 1:100,000
1987 · Richland
USGS Topo · 1:24,000
1987 · Jimtown
USGS Topo · 1:24,000