Signal Butte
Summit in Yuma County, Arizona · on the USGS Growler quadrangle
32.83582, -113.86396
Maps that show Signal Butte
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Growler, AZ
USGS topo, 2021
Norton, AZ — USGS historical 15-minute topo (1928)
USGS Historical Topo Maps (public domain) · Arizona
Norton, AZ — USGS historical 15-minute topo (1929)
USGS Historical Topo Maps (public domain) · Arizona
Roll, AZ — USGS historical 15-minute topo (1955)
USGS Historical Topo Maps (public domain) · Arizona
IFR Enroute Low Altitude Chart L-05 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Name, class, county and location: USGS Geographic Names Information System (public domain).