  2008 - Geological Ramblings in Yosemite (Paperback) ISBN-13: 9781597140720 ISBN-10: 1597140724 Genre: Science & Math ?  1989 - Geologic Story of Yosemite National Park (Paperback) ISBN-13: 9780939666492 ISBN-10: 0939666499 Genres: Travel, Science & Math, Engineering & Transportation ?  1983 - The Geologic Story of Isle Royale National Park (Paperback) → Paperback ISBN-13: 9780932212894 ISBN-10: 0932212891 Genres: Science & Math, Engineering & Transportation 1  Geologic Story of Isle Royale National Park (Paperback) → Paperback ISBN-13: 9780932212313 ISBN-10: 093221231X Genre: Travel ?   |
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