Rooney burial mounds

"The Rooney Mound, located five miles northwest of Brooten, Minnesota, was excavated by the Science Museum crew during August, 1959. The mound was uncovered when Mr. Rooney and some workmen began excavating a new basement for an addition to the Rooney farmhouse. After finding several skeletons, Mr. Rooney notified the county sheriff...Peter Jenson of the museum staff visited the site...The Science Museum obtained permission from Mr. Rooney to excavate the area..." - Introduction