Complex sentence: The Harvard telescope was removed and in July the new toll road was officially opened to the public and the toll fixed by the Los Angeles County Board of Supervisors at 25 cents for hikers and 50 cents for horseback.
Split into simpler sentences: The Harvard telescope was removed and in July the new toll road was officially opened to the public. The toll was set by the Los Angeles County Board of Supervisors at 25 cents for hikers and 50 cents for horseback.