sentences:  In the late 1870s, Hullam Jones and Phillip Morell developed the glass-bottom boat and the glass-bottom rowboat, respectively; these were used to take visitors on the river to give them a unique view of the springs.The first railroad to reach Silver Springs, the Silver Springs, Ocala and Gulf Railroad, went into operation by the end of 1879 and transported people and goods from the river landing at the headspring area to the nearby town of Ocala.In 1880, former president Ulysses S. Grant visited the area.