This historical map portrays the area of Porcupine Ridge in 2020, primarily covering Porcupine Ridge. 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 Porcupine Ridge region at the time. Published in 2020, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1885 · Salt Lake
USGS Topo · 1:250,000
1885 · Uinta
USGS Topo · 1:250,000
1900 · Coalville
USGS Topo · 1:125,000
1901 · Hayden Peak
USGS Topo · 1:125,000
1903 · Hayden Peak
USGS Topo · 1:125,000
1903 · Coalville
USGS Topo · 1:125,000
1954 · Salt Lake City
USGS Topo · 1:250,000
1954 · Ogden
USGS Topo · 1:250,000
1958 · Ogden
USGS Topo · 1:250,000
1958 · Salt Lake City
USGS Topo · 1:250,000