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Lee Allison

Dr. M. Lee Allison, Arizona State Geologist and Chair of the Arizona Geological Survey, died on August 16 from a critical head injury incurred over the weekend. Lee was a true visionary, dedicated to expanding public access to the geosciences and forging cooperation among diverse groups.

Down-to-Earth Series (DTE) — addresses geologic concepts in a "down-to-earth" manner with a minimum of jargon. These nontechnical booklets are suitable for high-school and college earth science students, as well as adults who want to learn more about the fascinating world of geology as manifested in the Arizona landscape.