
The East El Dorado Oil Field and surrounding petroleum landscape dominate this eastern portion of Union County during the early 1980s. The map reveals an intensive industrial network of oil wells, pipelines, and a refinery operating alongside established rural communities. Cultural centers such as Old Union and Perdue City are depicted alongside numerous country churches, including St Pauls Ch and Union Ch. Educational infrastructure is represented by the Oil Belt Voc-Tech Sch and Union High Sch, reflecting the region's mid-century growth.
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This is the sole edition of this map. No revisions or reprints were ever made.
1927 · El Dorado
USGS Topo · 1:62,500
1930 · El Dorado
USGS Topo · 1:62,500
1933 · Strong
USGS Topo · 1:62,500
1934 · Moro Bay
USGS Topo · 1:62,500
1937 · Strong
USGS Topo · 1:62,500
1938 · Moro Bay
USGS Topo · 1:62,500
1939 · Moro Bay
USGS Topo · 1:62,500
1939 · Strong
USGS Topo · 1:62,500
1951 · El Dorado
USGS Topo · 1:62,500
1953 · El Dorado
USGS Topo · 1:250,000