
Big Thicket National Preserve dominates the southern landscape of this East Texas terrain, where the convergence of Polk, Tyler, and Hardin counties creates a complex network of protected wetlands and timberland. The hydrology of the region is defined by the winding course of Big Sandy Cr and its tributaries, including Kimball Cr and Cypress Cr. This 2022 survey illustrates the modern balance between conservation areas and local industry, evidenced by the Prime Oilfield Loop located just north of the preserve boundary.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Liberty
USGS Topo · 1:125,000
1954 · Beaumont
USGS Topo · 1:250,000
1955 · Saratoga
USGS Topo · 1:62,500
1955 · Kountze
USGS Topo · 1:62,500
1957 · Beaumont
USGS Topo · 1:250,000
1958 · Segno
USGS Topo · 1:62,500
1958 · Warren
USGS Topo · 1:62,500
1984 · Segno
USGS Topo · 1:24,000
1984 · Beaumont
USGS Topo · 1:250,000
1984 · Jacks Creek South
USGS Topo · 1:24,000