The Mound Builders
Auteur : George Bryce
Date de publication : 2015-12-03
Éditeur : CreateSpace Independent Publishing Platform
Nombre de pages : 60
Résumé du livre
"[...]at Miamisburg, Ohio, known as one of the class of "observation mounds," which is 68 feet high and 852 feet around the base. In addition to its purpose of sepulture, everything goes to show that the "Grand Mound" of Rainy River was for observation as well. THE EXCAVATION. [...]."