Magnificent colored geologic map illustrating the structural features of the Santa Catalina metamorphic core complex and adjacent San Pedro trough. Originally published in 1991 as Geological Society of America Special Paper 264.
You can download a high resolution PDF version of the map here: http://repository.azgs.az.gov/uri_gin/azgs/dlio/1520 .
The 115 page report can be downloaded: http://repository.azgs.az.gov/uri_gin/azgs/dlio/1307 .