Fast facts
Generally slender blade with parallel or slightly excurvate edges
Some types, such as the so-called Ross County type, may be relatively broad
One or more "flutes", a distinctive flake struck from the base toward the tip on one or both faces that flattens the point, making it fit more snugly on a spear shaft
Length of flutes generally about one-third to one-half the total length of the specimen
Generally well made, often from high-quality flint
Flattened to biconvex in cross section
Base concave; basal edge usually ground smooth
Blade edges ground smooth from the base for a distance comparable to the length of the flute
Size: 1 to 6 inches in length; many range between 2 and 4 inches long
Early Paleoindian,ca. 9500-8500 BC