sentences:  After much of the land eroded, the property was incorporated into Burnham Park and was eventually renamed Harold Washington Park in 1992.In the years following his donation, expansions were built at the northeast corner of the future Jackson Park, located at the south end of Burnham.The most notable expansions included a seawall and granite paved strolling beach, constructed from 1884 to 1888, and a building used as the Iowa Pavilion during the Columbian Exposition.