Figure 19
Corner-notched dart point, type Marcos, of silicified
wood, and lunate stone of Kiowa Formation fossiliferous shale from the Late
Archaic burial at 34RM208C, Section 5-12N-24W, Roger Mills County, Oklahoma
(Thurmond 1991a). We believe these unusual boatstones are the cultural markers
of the people who reinhabited the Caprock Escarpment borderlands some time after
BC 50.