
Riverside sits at the northwest edge of this high-altitude landscape, where the Animas River corridor meets the rugged foothills of the Mesa Mountains. The terrain is deeply incised by a network of drainages including Ditch Canyon, Sandstone Canyon, and Miller Canyon, highlighting a topography where water management is central to the settlement pattern. Early 21st-century irrigation infrastructure is evident through the Twin-Rock Ditch and Ralston Ditch, which redirect flows to support local land use near the northern border.
54 named features on this map. Tap any name to fly to it.
Don’t see what you’re looking for? This feature index may not catch every label — zoom into the map to look around manually.
This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Largo
USGS Topo · 1:250,000
1895 · Largo
USGS Topo · 1:250,000
1908 · Ignacio
USGS Topo · 1:125,000
1924 · Ignacio
USGS Topo · 1:125,000
1945 · Durango
USGS Topo · 1:250,000
1953 · Durango
USGS Topo · 1:250,000
1954 · Durango
USGS Topo · 1:250,000
1954 · Aztec
USGS Topo · 1:250,000
1958 · Aztec
USGS Topo · 1:250,000
1959 · Aztec
USGS Topo · 1:62,500