Complex sentence: The fad for bathing in and drinking spring waters eventually passed, and local lore has it that the long-awaited construction of United States Highway 41A through the town in 1940 caused the springs to substantially dry up.
Split into simpler sentences: The fad for bathing in and drinking spring waters eventually passed. Local lore has it that the long-awaited construction of United States Highway 41A through the town in 1940 caused the springs to dry up.