Archival objects in this container: Lake Mead, USA, presentation report prepared for the Symposium on Manmade Lakes by Dale A. Hoffman and Al R. Jonez, 1971 May Methods for Biological, Chemical, and Physical Analyses in Reservoirs, Technical Report #6 by Penelope E. Kellar, Sherrell A. Paulson, and Larry J. Paulson, 1981 June Lake Mead Benthos Study: Bench Sheets, 1986-1987 Lake Mead Benthos Study: Field Sheets, 1986-1987 Lake Mead Benthos Study: Crawfish Field Data Form, 1986 October 07-13 Lake Mead Benthos Study Part II, 1987 March 17-1988 March 16 Physical Data by the U.S. Bureau of Reclamation, 1987 June