L. Sundstrom et Jd. Keyser, TRIBAL AFFILIATION OF SHIELD PETROGLYPHS FROM THE BLACK-HILLS AND CAVE-HILLS, Plains Anthropologist, 43(165), 1998, pp. 225-238
This study compares 22 shield designs from Black Hills and Cave Hills
rock art with 314 ethnographically recorded shield designs. Based on t
hese comparisons, II of the petroglyphs were identified as Cheyenne, t
wo as possibly Cheyenne, one as Lakota or Cheyenne, and one as either
Cheyenne or Crow. The seven remaining designs could not be assigned a
cultural affiliation.