Lithic: View of Early ChaakkÕax drills from Op 1. Top row, two from Z 58, Sq. J (Left: LD# 2897, Right: LD# 2886). Middle row: three from Z 63, Sq. E, I, and J (Left: LD# 4079, Middle: LD# 4223, Right: LD# 4311). Bottom row, one from Z 70, Sq. J (LD# 4484).