The Flat Tops dominate the southwestern portion of this 2011 survey, marking a high-elevation landscape defined by plateaus and a sophisticated network of irrigation systems. Water management is a primary feature of the region, evidenced by the Elizabeth Ditch, Castle Ditch, and Carnahan Ditch Number 1, which divert flows across the rugged terrain near Lenna Peak and Baldridge Point. These ditches reflect the area's agricultural and ranching history, supporting life on flats like Lowell Flat and Porter Flat.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · The Meadows
USGS Topo · 1:24,000
1957 · Leadville
USGS Topo · 1:250,000
1959 · Leadville
USGS Topo · 1:250,000
1960 · Leadville
USGS Topo · 1:250,000
1960 · Leon Peak
USGS Topo · 1:24,000
1960 · South Mamm Peak
USGS Topo · 1:24,000
1961 · Electric Mountain
USGS Topo · 1:24,000
1961 · Porter Mountain
USGS Topo · 1:24,000
1961 · Chalk Mountain
USGS Topo · 1:24,000
1961 · Spruce Mountain
USGS Topo · 1:24,000