For nearly 40 years, the quirky little narrow-gauge railroad, begun in 1889 by the Ilwaco Railway and Navigation Company, ran along the North Beach Peninsula in southwestern Washington. The train provided the primary transportation link from Ilwaco in the south to Nahcotta in the north, making peninsula communities accessible to one another and supplying a reliable route to outside markets for the area's major industries--oystering, logging, and cranberry farming. A tide table, not a timetable, governed the railroad's schedule, allowing coordination with the steamers that met the train at...