Soil Conservation Service Site Twenty One Reservoir
Reservoir in Wise County, Texas · on the USGS Cottondale quadrangle
33.06611, -97.67985
Maps that show Soil Conservation Service Site Twenty One Reservoir
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Cottondale, TX
USGS topo, 2022

Boyd, TX
USGS historical 15-minute topo (1930)

U.S. Fish and Wildlife Service Alligator Snapping Turtle Range (2024)
Fish & Wildlife Service Refuge Maps (public domain)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Area Chart A-02 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-17 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-06 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).