 Since some of the costs of the mall were paid by Federal funding, a survey of the buildings in the redevelopment area was conducted as to their historical importance under Section 106 of the National Historic Preservation Act of 1966.The survey was conducted between 1987 and 1990.Of the 43 buildings surveyed, it was decided that 17 would be retained, 8 would have only their facades preserved, and 18 would be demolished.