Pages Added for Megafauna and Archaeoastronomy

I'm working to catch up on adding recent blog posts to the site. So far this morning I've been through Jason Colavito's site and ArchyFantasies, and I think I'm caught up with those two. I'll try to hit the rest of my regular sites over the next few days. Please let me know if you come across this page and know of some relevant blogs that I'm not regularly looking at. 

I've added a page for Megafauna. Large extinct animals (especially mammoths and mastodons) figure into claims for giants (and the suppression of evidence for those claims, claims in the Book of Mormon, and other interesting things.  

I've added a new page for Archaeoastronomy that currently has only one entry. I'm sure posts I've already listed under other topics are relevant, and I'll add those links as I come across them.

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