This historical map portrays the area of Keystone in 2011, primarily covering Keystone as well as portions of Roscoe and Broganville. Featuring a scale of 1:24,000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Keystone region at the time. Published in 2011, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1897 · Ogallala
USGS Topo · 1:125,000
1898 · Paxton
USGS Topo · 1:125,000
1900 · Ogallala
USGS Topo · 1:125,000
1901 · Paxton
USGS Topo · 1:125,000
1954 · North Platte
USGS Topo · 1:250,000
1956 · North Platte
USGS Topo · 1:250,000
1957 · North Platte
USGS Topo · 1:250,000
1967 · North Platte
USGS Topo · 1:250,000
1971 · Martin
USGS Topo · 1:24,000
1971 · Ogallala SW
USGS Topo · 1:24,000