Back Bay
Bay in Cameron County, Texas · on the USGS Port Isabel quadrangle
26.06258, -97.15747
Maps that show Back Bay
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Port Isabel, TX
USGS topo, 2025
Port Isabel, TX
USGS historical 15-minute topo (1955)
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).