Archival objects in this container: Summa Corporation, Hughes Tool Company, capital investments memoranda and receipts, 1971 to 1973 Summa Corporation, estimated income and expense for the Showboat Casino-Hotel, 1971 June 17 Summa Corporation, internal business communication, financial position of company, 1972 January 19 to 1976 September 09 Summa Corporation, internal business communication, 1973 to 1977 August 19 Summa Corporation, executive employee benefit plan, approximately 1973 to 1988 Summa Corporation, employee training and evaluation, 1974 May 16 to 1976 January 06 Summa Corporation, summary plan description of retirement plan, committee notes, 1976 September 20 to 1977 April 14 Summa Corporation, unaudited financial statements and advertising for the Castaway Hotel-Casino, 1976 September 30 to 1977 February 08 Summa Corporation, signing of loan agreement for Hughes Air Corporation d/b/a Hughes Airwest: photographic print, 1976 August 19 Summa Corporation, memoranda and newspaper clippings regarding Howard Hughes estate, 1976 October 22 to 1977 November 25 Summa Corporation CEO, William M. Rankin: photographic print, 1977 February to 1977 March Summa Corporation bankers meeting, 1981 June 24 to 1982 April 26 Husite reconnaissance and economic evaluation of the Husite property, 1982 June