Heron Reservoir dominates the landscape in this 2017 study of Rio Arriba County, where the reservoir's complex shoreline meets the high-desert terrain. The Rio Chama flows south through the southern portion of the sheet, eventually feeding into the northern reaches of El Vado Reservoir. This geography reveals a pattern of modern residential development concentrated on the northern and eastern shores of the water, with a dense network of roads such as Laguna Vista Dr, Ladera Del Sol, and Sierra Leone Dr providing access to the elevated ridgelines overlooking the lake.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Aztec
USGS Topo · 1:250,000
1955 · Chama
USGS Topo · 1:62,500
1955 · Lumberton
USGS Topo · 1:62,500
1955 · Tierra Amarilla
USGS Topo · 1:62,500
1955 · Boulder Lake
USGS Topo · 1:62,500
1958 · Aztec
USGS Topo · 1:250,000
1962 · Aztec
USGS Topo · 1:250,000
1965 · Aztec
USGS Topo · 1:250,000
1981 · Chama
USGS Topo · 1:100,000
1983 · Pounds Mesa
USGS Topo · 1:24,000