Hudson Bay as a Comet Crater
© 2016 B. L. Freeborn This is an excerpt from the full article: "A Planet Most Miraculous: The Mechanic's of Earth's Rotating Crust." It is possible to draw four large round circles in Hudson Bay. The largest scales to a diameter of 400 miles. The second largest scales to 230 miles. Hudson Bay is very shallow.…
11 of Earth's largest impact craters and their locations - Interesting Engineering
New Hampshire Mystery Stone Photos
What is the crater in Hudson's Bay called? How old is it thought to be? - Quora
21 Craters ideas crater, impact crater, geology
Shield memorizing impact craters: Labrador Peninsula, Canada, 2004
Impact Craters of North America
Ancient Map of Hudson Bay
Diameters, Radii and Other Great Numbers
153 Years and the Debate Still Rages: Newark Mounds and Decalogue Stone
The Great Hudson Arc: A 250-mile-wide mystery
Hudson Bay Crater - Astronomy News