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RT @AZGeology: Magnificent #monocline – single fold - on the Colorado Plateau near the E entrance to Colorado Natl. Monument on north side…
RT @AZGeology: Magnificent #monocline – single fold - on the Colorado Plateau near the E entrance to Colorado Natl. Monument on north side…
RT @AZGeology: Magnificent #monocline – single fold - on the Colorado Plateau near the E entrance to Colorado Natl. Monument on north side…
RT @AZGeology: Magnificent #monocline – single fold - on the Colorado Plateau near the E entrance to Colorado Natl. Monument on north side…