Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle, CO Email Address: cyates_at_garfieldre2.org Experimenter: Team We Tried Latitude 39 D 33 M 1 s North Longitude: 107 D 36 M 35 s West Distance to Equator: 4395 kM Measured shadow angle in degrees: 39.53967306 Calculated Earth circumference: 40015.50538 Comments:Received on Tue Sep 27 2011 - 12:09:49 PDT