sentences:  At the same time it was permitted to expand along Nichols Avenue past the Government Hospital for the Insane (now St. Elizabeths Hospital) to the District boundary, though it only made it as far as Alabama Avenue SE.The next year, on June 24, 1898, the Anacostia and Potomac River continued its expansion by purchasing the Belt Railway and extended its 11 Street line from F street NW to Florida Avenue NW.In 1899 it purchased the Capital Railway.