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Summary: Proceeds from this book benefit Grand Canyon Nat'l Park
Review: Proceeds from the sale of Grand Canyon Association publications benefit educational programming at Grand Canyon National Park.
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Summary: An excellent and invaluable guide when sightseeing Flagstaff
Review: This book covers it all. Accessible text describes in a concise, but not condescending manner, the history of volcanoes in the northern Arizona and Flagstaff area. Excellent, even striking photography. Fine maps and drawings accent the text. This book is suitable reading material for professionals, college students and tourists alike. And an indispensable reference when traveling and sightseeing around Flagstaff, Arizona. Most people don't realize that Flagstaff is situated near these barely dormant volcanoes which last erupted less than 800 years ago! Highly recommended!
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Summary: Exemplary popular-science writing & gorgeous photos
Review: This book is a wonderful introduction to the San Francisco volcanic field, which created the high country around Flagstaff and the San Francisco Peaks, the highest mountains in Arizona. Duffield writes in a clear, direct style that's a pleasure to read. The book grew out of a long series of talks and lectures he's given around the Flagstaff - Grand Canyon area -- he quotes a fifth-grader who wrote a thank-you note for "being interesting and not boring," which is a nice capsule review of _Volcanoes_. Although he's writing for a general audience, geologists who aren't intimately familiar with Northen Arizona will learn of some neat new discoveries -- such as the remarkable similarity between the Mt. St. Helens blowout and the Peaks' long-puzzling Inner Basin (p. 25). And that recent lava-dams on the Colorado River (near present-day Lava Falls) made lakes in Grand Canyon nearly half a mile deep! And anyone with working eyes will be pleased with Michael Collier's splendid aerial photos -- if you're new to Collier, you will want to seek out his beautiful, large-format _Arizona : A View from Above_, which might be the best book of artistic air photos yet published (and which, sadly, is out of print).
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Summary: Volcanoes: what they are and how they work
Review: Volcanoes are among the most interesting, awesome, and dangerous of geological phenomena. The also form many of the highest mountains we know-Olympus Mons on Mars, Mauna Kea, Popocatepetl, Kilimanjaro and many others on Earth. In spite of this, the average person has only an imprecise idea of what volcanos are and how they work. Duffield's fine book comes to the rescue. The book addresses specifically volcanoes to be found in northern Arizona, so includes many pages of road logs intended for the resident or visitor to the area, pleasant excursions whose purpose is to illustrate a wealth of volcanic features. The rest of the book, however, is invaluable to anyone interested in learning more about volcanoes anywhere. Even though Duffield is a professional volcanologist of considerable repute, he uses clear language pleasantly free of technical jargon and aimed at the non-specialist. The many illustrations are lucid and well done, and the wonderful photographs by Michael Collier are a splendid asset. The person interested in learning about volcanoes won't go wrong with this fine book.
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Summary: Volcanoes: what they are and how they work
Review: Volcanoes are among the most interesting, awesome, and dangerous of geological phenomena. The also form many of the highest mountains we know-Olympus Mons on Mars, Mauna Kea, Popocatepetl, Kilimanjaro and many others on Earth. In spite of this, the average person has only an imprecise idea of what volcanos are and how they work. Duffield's fine book comes to the rescue. The book addresses specifically volcanoes to be found in northern Arizona, so includes many pages of road logs intended for the resident or visitor to the area, pleasant excursions whose purpose is to illustrate a wealth of volcanic features. The rest of the book, however, is invaluable to anyone interested in learning more about volcanoes anywhere. Even though Duffield is a professional volcanologist of considerable repute, he uses clear language pleasantly free of technical jargon and aimed at the non-specialist. The many illustrations are lucid and well done, and the wonderful photographs by Michael Collier are a splendid asset. The person interested in learning about volcanoes won't go wrong with this fine book.
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