Experiment Report for the Eratosthenes Project on http://youth.net/ School Name: Coal Ridge High School School Location: New Castle, Colorado Email Address: cyates_at_garfiekdre2.org Experimenter: tuyet voi Latitude 39D 37 minutes. 1 second North. Longitude: 107D 36 minutes. 35 seconds west Distance to Equator: 4395 km Measured shadow angle in degrees: 41.5 Calculated Earth circumference: 38125 km Comments:Received on Tue Sep 27 2011 - 08:44:16 PDT