If you think archaeology is a closed subject, as fixed as the Bird Mound that hovers above Bayou Macon, talk awhile with "Butch." Aubra L. "Butch" Lee, vice president of Earth Search Inc. of New Orleans, is combing the Catahoula Parish earth these days for ancient artifacts near Jonesville, site of Mound No. 5. That's the Great Mound, built by the Troyville-Coles Creek people some 14 centuries ago. Once an imposing 82 feet high, the mound was knocked down in the 1930s for state bridge construction, its soil scattered on riverbanks near where the Little, Black and Ouachita rivers flow. Now, through a contract with Lee's company, the Department of Transportation and Development is working not to further destroy that part of Louisiana's ancient heritage, but to reclaim and preserve it. [...]