The UNLV University Libraries Collection of Lake Mead Government Documents contains reports and studies pertaining to Lake Mead’s water quality, microbe ecology, wildlife, fish, plant life, pollution, soil, and sediment dating between 1971 and 1994. Reports include studies on microbe population growth, water composition, chemical treatment, salinity, temperature monitoring, and hand-written field notes on water and soil conditions. Lake Mead is located in Clark County, Nevada and Mohave County, Arizona.