1.4 Billion Year Old Felsic Pegmatite along US-93 west of Nothing, AZ - Geology Road Stop
Random Roadcuts #1: US 93 in the Schell Creek Range of eastern Nevada
Alberta's Highway 93: Admiring the Roadside Geology of the Canadian Rocky Mountains
Camptonite Rock - Igneous Intrusion Dike -- HWY 93 -- Arizona --
HWY 93 -- Arizona -- 7.1 mile mark