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Fig. 1. Map showing locations of study areas. 1. Muscatatuck Wildlife Refuge, Jennings County, IN. Lat. 38° 56' 46'', Long. 85° 47' 27''. Moore's Woods, Parke County, IN. Lat. 39° 56' 48'', Long. 87° 7' 52''. Shades State Park, Parke County, IN. Lat. 39° 55' 52'', Long. 87° 5' 39''. Jasper Pulaski Fish and Wildlife Area, Jasper County, IN. Lat. 41° 9' 12'', Long. 86° 59' 7''. 5. Eagle Creek Nature Preserve, Marion County, IN. Lat. 39° 51' 56'', Long. 86° 16' 56''. 6. Sheyenne National Grassland, Ransom County ND. Lat. 46° 26' 36'', Long. 97° 24' 20''. 7. Hamden Slough National Wildlife Refuge, Becker County, MN. Lat. 47° 0' 25'', Long. 95° 59' 14''. 8. Superior Lobe Till, St. Louis County, MN. Lat. 46° 56' 14'', Long. 92° 1' 15''.
