EXPLORE MACK’S COLLECTIONS
PHOTOGRAPHS
Browse some of Mack’s classic color slides, taken throughout his career, from the 1950s to the 2000s.
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PRESENTATIONS
View videos of just a few of Mack’s many outstanding presentations on a variety of Earthly topics.
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WRITINGS
Mack took field notes and wrote many articles and papers throughout his career. Browse a few of them here.
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