LTA Description Notes
LTA 187 Lower Middle Catalina Granitics
LTA 188 Romero/Maverick Spring Granitics
LTA 189 Summerhaven Granitics
LTA 19 Roble Canyon Shallow Dissected Fans
LTA 190 Peppersauce Metasediments and Limestone
LTA 191 San Pedro Dissected Terraces
LTA 192 Redington Fan
LTA 194 Miller/Turkey Creek Sedimentary Hills
LTA 195 Paige Creek Floodplain and Terraces
LTA 196 Happy Valley Sedimentary Hills and Elevated Plains
LTA 197 Lower Middle Rincon Granitics
LTA 198 Upper Lower Middle Rincon Granitics
LTA 199 Backside Fans and Terraces
LTA 2 Tucson Racetrack Plain
LTA 20 Redrock Creek Alluvial Fan
LTA 201 Marble Mountain Metasediments
LTA 202 Gibbs Wash Granitics
LTA 203 Italian Springs Granitics
LTA 204 Rincon Peak Granitics
LTA 205 Rincon Creek Alluvium