An explosion makes a large test crater on the surface of Black Point lava flow on August 1, 1968, along the Little Colorado River, north of Flagstaff, Arizona. (17/21)

An explosion makes a large test crater on the surface of Black Point lava flow on August 1, 1968, along the Little Colorado River, north of Flagstaff, Arizona.

Written by Benjamin Grayson

Former Bouquet seller now making a go with blogging and graphic designing. I love creating & composing history articles and lists.

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