Seems there are quite a few archeoastronomy sites right here in our own country. Phil Leonard has found Equinox and Solstice indicators in Colorado, that, at these times of year, play with rays of sun or with the sun's appearance on the horizon. He'll tell us about petroglyphs lined up with rocks, sighting lines pecked into the rock, and the spiral and parallel patterns that reveal the sites he has studied as astronomical timekeepers.

Bill McGlone, a retired engineer, photographed and studied petroglyphs in 36 states. He wrote about the possibility of pre-Columbian Old World inscriptions in America and evaluated hundreds of potential examples of Old World inscriptions. During the past twenty years, Bill made amazing discoveries in Southeast Colorado, and inspired many of us to continue his work. Bill McGlone died in January 1999 before his most recent book was completed.

Book Description (from the publisher)
Ancient American Inscriptions: Plow Marks or History? by William McGlone, Phillip Leonard, James L. Guthrie, Rollin W. Gillespie, James P. Whittal, Jr. 1993. Published by Early Sites Research Society, Sutton, MA. 381 pages. A scholarly look at epigraphy in America including in depth discussion of Ogam, critique of Barry Fell and ancient calendrical sites principally in Southeast Colorado. Detailed descriptions of numerous archaeoastronomy sites including the Anubis Cave. Best and most balanced collection of work documenting a diffusionist interpretation of history in the post-Barry Fell era. 

Book Description (from Laura Lee)
Bill McGlone and Phil Leonard are the two of the five authors of Ancient American Inscriptions: Plow Marks or History? featured on The Laura Lee Show.We don’t think of our own country as having much in the way of ancient history or temples. Here are two researchers whose unusual detective work is turning up significant sites. McGlone and Leonard predicted the site of archeo-astronomical markings, by reading petroglyphs and ancient inscriptions on Colorado caves and cliff walls. And on the Solstices and Equinoxes, they are witnessing the sun perform, just as predicted. What’s more, they are tracing much of the epigraphs (writing in stone) to the Old World, bringing up the Diffusion issue. Who were these ancient artists, schooled in astronomy, and for whom the solstice and equinox were so important? 

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