In 1991, with the encouragement of the U.S. Forest Service, I and a number of members of Escabrosa Grotto (a chapter of the National Speleological Society) began mapping a large cave, Cave Of The Bells in northeastern Santa Cruz county, Arizona. While entering the cave on 20 February 1994, I noted faulting in the entrance rock. On the same day, I decided to begin a survey of the surface geology. The survey was aided by a geologic study published by the U.S. Geological Survey: The structural Geology of the Santa Rita Mountains, Southeast of Tucson, Arizona (1972), by Harald Drewes.Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of A...
Introduction The Arizona Geological Survey (AZGS) helps protect lives and property from geologic ris...
The western Harcuvar Mountains are a fairly rugged~ fairly inaccessible range located north and nort...
This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution...
The study area is located ~40 km southeast of downtown Tucson, and is bounded by the Rincon Mountain...
The Cave Creek quadrangle is located along the northernmost fringe of the Phoenix metropolitan area,...
abstract: Five major areas are discussed separately, for the most part, except in those cases where ...
The purpose of this project is to integrate new detailed field mapping, aerial photograph interpreta...
The southwestern portion of the McDowell Mountains, located in the McDowell Sonoran Preserve in Scot...
The 86th annual meeting of the Cordilleran Section of the Geological Society of America was held in ...
This map depicts the bedrock and surficial geology of most of the Cunningham Mountain 7 ½’ quadrangl...
The area described in this study includes the western Eagletail Mountains, Yuma county, Arizona and ...
The Cactus Forest quadrangle is in the Basin and Range province in central Arizona and covers part o...
The 100th annual meeting of The Geological Society of America (GSA) was held in Phoenix, Arizona in ...
The Cactus Forest quadrangle is in the Basin and Range province in central Arizona and covers part o...
This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution...
Introduction The Arizona Geological Survey (AZGS) helps protect lives and property from geologic ris...
The western Harcuvar Mountains are a fairly rugged~ fairly inaccessible range located north and nort...
This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution...
The study area is located ~40 km southeast of downtown Tucson, and is bounded by the Rincon Mountain...
The Cave Creek quadrangle is located along the northernmost fringe of the Phoenix metropolitan area,...
abstract: Five major areas are discussed separately, for the most part, except in those cases where ...
The purpose of this project is to integrate new detailed field mapping, aerial photograph interpreta...
The southwestern portion of the McDowell Mountains, located in the McDowell Sonoran Preserve in Scot...
The 86th annual meeting of the Cordilleran Section of the Geological Society of America was held in ...
This map depicts the bedrock and surficial geology of most of the Cunningham Mountain 7 ½’ quadrangl...
The area described in this study includes the western Eagletail Mountains, Yuma county, Arizona and ...
The Cactus Forest quadrangle is in the Basin and Range province in central Arizona and covers part o...
The 100th annual meeting of The Geological Society of America (GSA) was held in Phoenix, Arizona in ...
The Cactus Forest quadrangle is in the Basin and Range province in central Arizona and covers part o...
This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution...
Introduction The Arizona Geological Survey (AZGS) helps protect lives and property from geologic ris...
The western Harcuvar Mountains are a fairly rugged~ fairly inaccessible range located north and nort...
This item was digitized from a paper original and/or a microfilm copy. If you need higher-resolution...