Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle,CO USA Email Address: cyates Experimenter: Los Frijoles Latitude 39D 33M 1S North Longitude: 107D 36M 35S West Distance to Equator: 4395 Km Measured shadow angle in degrees: 39.66 Calculated Earth circumference: 39894 Comments:Received on Tue Sep 27 2011 - 12:19:33 PDT