Flagstaff Daily Photo
Photos from Flagstaff, AZ
Monday, August 27, 2007
Lichen
Lichen on basalt. Basalt is a volcanic stone and, because the mountains north of Flagstaff are an extinct volcano, it is a very common type of stone found in and around the city.
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Lichen on basalt. Basalt is a volcanic stone and, because the mountains north of Flagstaff are an extinct volcano, it is a very common type of stone found in and around the city.
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Post a Comment