Bonanza and the nearby site of Kerber City occupy the high-altitude terrain at the convergence of several mineral-rich drainages. This landscape is defined by its industrial and recreational geography, where the Continental Divide National Scenic Trail traverses the western ridges near Antora Peak. The map detail reveals a complex network of steep gulches including Graveyard Gulch and Rawley Gulch, names that hint at the area's mining heritage.
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This is the sole edition of this map. No revisions or reprints were ever made.
1956 · Montrose
USGS Topo · 1:250,000
1959 · Montrose
USGS Topo · 1:250,000
1959 · Bonanza
USGS Topo · 1:62,500
1960 · Montrose
USGS Topo · 1:250,000
1967 · Lake Mountain NE
USGS Topo · 1:24,000
1967 · Chester
USGS Topo · 1:24,000
1967 · Pahlone Peak
USGS Topo · 1:24,000
1967 · Klondike Mine
USGS Topo · 1:24,000
1967 · Graveyard Gulch
USGS Topo · 1:24,000
1968 · Montrose
USGS Topo · 1:250,000