Complex sentence: The Yreka Western Railroad is a shortline railroad in Yreka, California which operates the "Blue Goose" steam excursion train between Yreka and Montague, a distance of 7.5 miles.
Split into simpler sentences: The Yreka Western Railroad is a shortline railroad in Yreka, California. It operates the "Blue Goose" steam excursion train between Yreka and Montague, a distance of 7.5 miles.