Author Leroy Radanovich, a photographer, writer, historian, and lifelong resident of Mariposa County, presents more than 200 images following the lifespan of the Yosemite Valley Railroad from his personal archives and from the collections of Gerald Williams and Eileen Milburn. Radanovich personally saw the trains in operation and has known many of the people who lived and worked in Yosemite, El Portal, and the Merced River Canyon, bringing to this volume a firsthand knowledge of the events that shaped the area.