Steel Trough Spring
Spring in Pima County, Arizona · on the USGS Happy Valley quadrangle
32.23886, -110.47578
Maps that show Steel Trough Spring
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Happy Valley, AZ
USGS topo, 2026
Happy Valley, AZ
USGS historical 15-minute topo (1945)
Happy Valley, AZ
USGS historical 15-minute topo (1958)
Santa Catalina Ranger District Motor Vehicle Use Map (MVUM)
Coronado National Forest
IFR Enroute Low Altitude Chart L-05 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-04 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).