Glasscock Island
Island in Concordia County, Louisiana · on the USGS Fairview quadrangle
31.36823, -91.55818
Maps that show Glasscock Island
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Fairview, LA-MS
USGS topo, 2024

Deer Park, LA
USGS historical 15-minute topo (1939)

Monterey, LA
USGS historical 15-minute topo (1961)

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 Enroute Low Altitude Chart L-22 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-06 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-21 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).