prepared for USDA Forest Service, Shawnee National Forest, by American Resources Group, Ltd. ; principal investigator, Michael J. McNerney ; authors, Mary R. McCorvie ... [and others]
prepared for National Park Service, Midwest Archeological Center ; performed for the Illinois and Michigan Canal National Heritage Corridor Commission by American Resources Group, Ltd. ; prepared under the supervision of Michael J. McNerney and Vergil E. Noble, co-principal investigators