Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle, Colorado Email Address: yumichan2011_at_gmail.com Experimenter: Chelsie, Jessica, Amanda, and Britni Latitude 39.55 N Longitude: 107.61 W Distance to Equator: 4403 km Measured shadow angle in degrees: 50.2 Calculated Earth circumference: 24,901 mi Comments:Received on Fri Mar 25 2011 - 08:58:32 PDT