 The former receiving reservoir was filled in with dirt from the construction of Rockefeller Center.In the meantime, however, the city teetered on the edge of insolvency during the Great Depression.A "Hooverville" of improvised shacks developed in the dry bed of the reservoir, as the city began dumping fill.The homeless were initially evicted when they tried to move into the site in late 1930, but public sentiment gradually turned to sympathy.