This historical map portrays the area of Union Island in 2018, primarily covering Tracy as well as portions of Lathrop. 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 Union Island region at the time. Published in 2018, it is the sole known edition of this map.
This is the sole edition of this map. No revisions or reprints were ever made.
1907 · Tesla
USGS Topo · 1:62,500
1913 · Woodward Island
USGS Topo · 1:31,680
1913 · Stockton
USGS Topo · 1:31,680
1913 · Holt
USGS Topo · 1:31,680
1914 · Bethany
USGS Topo · 1:31,680
1914 · Union Island
USGS Topo · 1:31,680
1915 · Vernalis
USGS Topo · 1:31,680
1915 · Lathrop
USGS Topo · 1:31,680
1916 · Byron
USGS Topo · 1:62,500
1916 · Tracy
USGS Topo · 1:31,680