Figure 1.
Study site. (A) Hickory Run location in relation to the extent of the Last Glacial Maximum (LGM) (26 ka, Corbett et al., 2017b), Illinoian (130 ka?), and pre-Illinoian glaciations, after Sevon and Braun (2000). Hickory Run is 2 km south of the LGM boundary and is mapped within the Illinoian and pre-Illinoian glaciations. (B) Locations of photographs; (C) tors on a ridgeline 700 m NE of the field; (D) elongate, angular, large boulders upslope; (E) small, rounded boulders downslope; and (F) massive, angular conglomeritic boulders in the SE sub-field.