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Dr_Richard_Holm_BEAN_MG11_21041

Published June 24, 2019 at 1167 × 1500 in Uncovering Ancient Landscapes of the Rio de Flag. A walk with Richard Holm, NAU Professor Emeritus.
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Hike with geologist Dr. Richard Holm, looking at geologic history of the Rio de Flag in east Flagstaff, just east of Continental and south of I-40, Flagstaff, Arizona

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