Free ‘Brown Bag’ talk on prehistoric Mount Graham bajada ‘Hanging Canals’ at BLM on Thursday
TweetPinShareA free “Brown Bag” talk will discuss prehistoric “Hanging Canals” of Mount Graham. This picture showed an aproned check dam, which is a common feature of the area. Contributed Article …
Free ‘Brown Bag’ talk on prehistoric Mount Graham bajada ‘Hanging Canals’ at BLM on Thursday Read More