Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal ridge High school School Location: New Castle, Colorado Email Address: rvalencia_at_firstclass.com Experimenter: Mexi-cans Latitude 39degrees 33'01''north Longitude: 107degrees 36' 35''west Distance to Equator: 4395km Measured shadow angle in degrees: 43.4 Calculated Earth circumference: 40,007km Comments:Received on Tue Sep 29 2009 - 15:36:08 PDT