Complex sentence: The longest log flume was reputedly the Kings River Flume in (Sanger, California), built in 1890 by the Kings River Lumber Company, it spanned over from the Sierra Nevada Mountains to the lumber yard and railroad depot in Sanger.
Split into simpler sentences: The longest log flume was reputedly the Kings River Flume in Sanger, California. Built in 1890 by the Kings River Lumber Company, it spanned over from the Sierra Nevada Mountains to the lumber yard and railroad depot in Sanger.