A new mode of performing this activity led the “Besant phase” to be replaced by the “Old Women’s phase.” This activity names an ancient site found by the archaeologists Sigurd Olsen and Gerald Chubbuck. The former slave George McJunkin studied this activity at a site where he found the first example of (10[1])“Folsom points.” This (10[1])activity was conducted at a place (-5[1])whose name means “deep kettle of blood.” (-5[1])According to tradition, (10[1])exceptional (10[1])skill in this activity (-5[1])inspired the name of the leader “Poundmaker.” (10[2])This activity, which was conducted at sites like Ulm (-5[2])Pishkun and Head-Smashed-In, (10[4]-5[1])furnished (10[2]-5[1])the material needed (-5[1])for the traditional preparation of pemmican. (10[1])This activity declined (10[1])when its target’s population fell from 60 million to less than one thousand in the late 1800s. For 10 points, name this activity that Plains (10[2])Indians conducted at namesake (10[1])“jumps” to acquire (10[1])hides and meat. (10[2])■END■ (10[4])