Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle, CO Email Address: ry_richards93_at_hotmail.com Experimenter: Star Strike 2 Latitude 39 33' 01" North Longitude: 107 36'35" West Distance to Equator: 4395km Measured shadow angle in degrees: 39 Calculated Earth circumference: 40569.23 Comments:Received on Wed Sep 30 2009 - 17:04:48 PDT