Harbor Island
Island in Nueces County, Texas · on the USGS Port Aransas quadrangle
27.86725, -97.07916
Maps that show Harbor Island
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Port Aransas, TX
USGS topo, 2025

Aransas Pass, TX
USGS historical 15-minute topo (1925)

Aransas Pass, TX
USGS historical 15-minute topo (1954)

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-20 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-07 (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).