The Hogback rises as a prominent landform in this portion of Las Animas County, where the high plains meet the eastern slopes of the Colorado Rockies. The landscape is defined by its drainage systems, most notably the eastward-flowing Apishapa River, which is supplemented by several smaller tributaries and man-made irrigation features. Managed water resources are evident through the Borrego Ditch and Saiz Ditch, reflecting the necessity of water control in this arid environment.
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This is the sole edition of this map. No revisions or reprints were ever made.
1891 · Walsenburg
USGS Topo · 1:125,000
1891 · Spanish Peaks
USGS Topo · 1:125,000
1891 · Apishapa
USGS Topo · 1:125,000
1892 · Elmoro
USGS Topo · 1:125,000
1893 · Spanish Peaks
USGS Topo · 1:125,000
1893 · Apishapa
USGS Topo · 1:125,000
1893 · Elmoro
USGS Topo · 1:125,000
1894 · Walsenburg
USGS Topo · 1:125,000
1895 · Spanish Peaks
USGS Topo · 1:125,000
1897 · Walsenburg
USGS Topo · 1:125,000