Complex sentence: Cheley Camp is a 4-week summer camp for 9-17 year olds in Estes Park, Colorado which was founded in 1921 by Frank H. Cheley to "help boys grow into men".
Split into simpler sentences: Cheley Camp is a 4-week summer camp in Estes Park, Colorado. It was founded in 1921 by Frank H. Cheley to "help boys grow into men".