Panorama looking south from A-Mountain in Tucson, Arizona, towards Mexico. Volcanic tuffs exposed on A-Mountain are Oligocene in age. Photo by Tom McGarvin. Tom's 'Field guide to "A" Mountain and description of surrounding region, Pima County, Arizona' is available online at http://repository.azgs.az.gov/uri_gin/azgs/dlio/141
Photographer: Tom McGarvin
Photo Date: circa 2001
Photo Location Accuracy: Known Location
Photo Tags: A-Mountain, Tucson, Oligocene, volcanics 
