Cubic feet of material Richard Klein’s team excavated from the Duinefontein Acheulean archaeological site in South Africa: 9,700
Weight, in tons, of that much dirt: 485
Months needed to excavate it: 10
Animal bones recovered: 6,150
Stone artifacts recovered, including flint stones: 2,771
TV shows based on “a modern Stone Age family”: 1
Year The Flintstones first appeared: 1960
Sources: Richard Klein; Hanna-Barbera
