LTA Description Notes
LTA 135 Samaniego Ridge Granitics
LTA 136 Charouleau Gap Granitic Pediment
LTA 137 Oracle Ridge Granitics
LTA 138 Oracle Ridge Granitics and Metasediments
LTA 14 Happy Valley Alluvium and Pediment
LTA 140 Davis Mesa Old Fan Surfaces
LTA 142 Canada del Oro Floodplain and Terraces
LTA 143 Romero Canyon Granitics
LTA 144 Sutherland Dissected Alluvium
LTA 15 Little Rincon Mountains Granite
LTA 150 Stratton Canyon Metasediments and Limestone
LTA 151 Nugget Canyon Volcanics
LTA 152 Pusch Ridge Granitics
LTA 153 Oro Valley Fans and Terraces
LTA 154 Wilderness of Rocks Fractured Granitics
LTA 155 Barnum Rock Rhyodacite
LTA 156 Upper Control Road Quartz Diorite
LTA 157 Red Ridge/Lombar Hill Diorite/Metasediments
LTA 158 American Flag Granitic Hills
LTA 159 Oracle Granitic Pediment