State Archeological Research Center, SD No description specified. 1-1 (1 Record) Documents Pollen and Phytolith Analysis At the Ray Long Site (39FA65) South Dakota: a Feasibilty Study. In Report On 1985 Test Excavations At the Ray Long Site (39FA65) Angostura Reservoir, Fall River County, South Dakota, By L. Adrien Hannus (1986)