History on the Rocks doc trailer

Published: Oct. 15, 2006, 4:02 a.m.

The introduction and some key excerpts from Scott Monahan's local PBS documentary that broke the news in 1985 about presumed Celtic inscriptions found some 175 miles southeast of Denver. This clip includes commentary from Dr. Barry Fell, a leading proponent of Old World diffusionism and a controversial epigrapher who ignited controversy in the 1980's with his book "America B.C."