Black volcanoes, white sands - Tucson Local Media: El Sol

Black volcanoes, white sands

Posted: Tuesday, June 23, 2009 11:00 pm

Contributed photo, The Pinacate and Gran Desierto de Altar Biosphere Reserve of Sonora, Mexico, provide writing and speaking material for Dr. Larry Marshall, author and geologist.

14 MORE IMAGES TAGGED WITH "EXPLORER"
3 MORE IMAGES TAGGED WITH "TOHONO CHUL PARK"
1 MORE IMAGE TAGGED WITH "VOLCANO"
1 MORE IMAGE TAGGED WITH "SAND"

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