Outline is Representative of Size and Shape:
Robinson Projectile Point
Name Details:
Identified By:  Fay-Cooper Cole and Thorne Deuel
Named For:  
Date Identified:  1937
Type Site: 
Point Validity: Valid type

Cole was a pioneering anthropologist who was an expert in the Illinois region archaeology and Mayan Anthropology.  Deuel was an pioneering anthropologist who conducted extensive studies into the archaeology of the Mississippi River valley.  He was an expert in Hopewellian archaeology.  This point was named in their book on prehistoric Illinois and has many professional references.  This is considered a valid type.
Robinson Side Notch
Cluster: Large Side Notch Cluster
Description of Physical Characteristics and Flaking Pattern:
This is a medium triangular side notch point with an elliptical cross section.  The blade is primarily excurvate, but may vary to straight.  Parallel notches enter the blade forming a shoulder that is horizontal with an expanding stem.  The base is primarily straight, but may vary to slightly concave.  This point has a random flaking pattern.
Size Measurements:

Total Length - 35 to 60 mm,  Stem Length - 8 to 12 mm,  Blade Width - 18 to 24 mm,  Neck Width - 13 to 17 mm,  Stem Width - 15 to 24 mm
Commonly Utilized Material:
Additional Comments:

Distribution:
Distribution Comments:

This point is primarily found throughout Illinois and Missouri and into central Indiana.
Age / Periods:
Date: 4,000 - 3,000 B.P.
Cultural Period: Late Archaic
Glacial Period: Neoglacial
Culture:
Age Details:
Similar Points:
Cache River, Hickory Ridge, Knight Island, Raddatz
Other points in this cluster / Related / Associated Points:
Big Sandy ,Cache River  Godar, Graham Cave, Greenbrier, Hemphill, Howard County, Madison Side NotchedOsceola, Osceola Greenbrier, Raddatz
Pictures: 
Pictures Provided By:





 Robinson Projectile Point, Robinson Arrowhead
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References: (See Reference Page, Entry Number):

23, 30