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Table of Contents<br />
ACKNOWLEDGMENTS 2<br />
INTRODUCTION 3<br />
PART 1. Geologic History: The Formation of the <strong>Santa</strong> Catalina Mountains 7<br />
PART 2. The Southern <strong>Santa</strong> Catalina Mountains 18<br />
Roads and Places: Pima Canyon, Sabino Canyon, the Catalina Highway 18<br />
Tinajas, Gnammas, Tafoni, Rock Varnish and Case-hardened Surfaces. 26<br />
PART 3. The Western and Northern Catalina Mountains 31<br />
Roads and Places: Catalina State Park, Charouleau Gap Road, Biosphere 2, Oracle<br />
State Park, and Cody Loop Drive in Oracle, Arizona 31<br />
The Wilderness Suite Granite Landscape: Pinnacles and Cliffs 35<br />
The Catalina Granite Landscape: Exhumed pediments and domed inselbergs 40<br />
Pediments................................. 40<br />
Domed inselbergs................... 41<br />
Bajada and stream piracy....... 49<br />
The Apache Group-Bolsa Quartzite Landscape: Parallel ridges and valleys 50<br />
The Oracle Granite Landscape: Boulder inselbergs 53<br />
PART 4: The Eastern <strong>Santa</strong> Catalina Mountains 57<br />
Roads and Places: the Mt. Lemmon Road, Peppersauce Canyon 57<br />
The Mogul and Geesaman Faults Zone 57<br />
Mining ....................................... 64<br />
PART 5: The Crest of the <strong>Santa</strong> Catalina Mountains 66<br />
Roads and Places: the Catalina Highway and the Mt. Lemmon Road 66<br />
Mining ..................................... 68<br />
PART 6: Life Zones of the <strong>Santa</strong> Catalina Mountains 71<br />
Roads and Places: the Catalina Highway, the Mt. Lemmon Road, Sabino Canyon,<br />
Catalina State Park.................. 71<br />
Vegetation................................ 71<br />
SUGGESTED Readings 81<br />
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