Complex sentence: The Santa Fe operated a large and varying fleet of steam locomotives, most notable of which was the 2-10-2 "Santa Fe", originally built for the railroad by Baldwin Locomotive Works in 1903.
Split into simpler sentences: The Santa Fe operated a large and varying fleet of steam locomotives. The most notable was the 2-10-2 "Santa Fe", originally built for the railroad by Baldwin Locomotive Works in 1903.