
This historical map portrays the area of Helix in 2011, primarily covering Helix. 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 Helix 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.
1935 · Pendleton
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1966 · Adams
USGS Topo · 1:24,000
1966 · Smeltz
USGS Topo · 1:24,000
1966 · Cayuse
USGS Topo · 1:24,000
1966 · Holdman SE
USGS Topo · 1:24,000
1966 · Pendleton
USGS Topo · 1:24,000
1966 · Mission
USGS Topo · 1:24,000
1966 · Ring
USGS Topo · 1:24,000