Archival objects in this container: Lake Mead Benthos Study: Field Data Form, 1988 March 15-November 21 The Lake Mead Cover Enhancement Project by Jennifer S. Haley, 1989 Baseline Water Quality Data Inventory and Analysis, Lake Mead National Recreation Area Volume I of II by the U.S. Department of the Interior, National Park Service, 1994 December Baseline Water Quality Data Inventory and Analysis, Lake Mead National Recreation Area Volume II of II by the U.S. Department of the Interior, National Park Service, 1994 December