The 2022 Addition (1985-2013) contains the personal correspondence of Walter Barbuck primarily directed to Nevada Senators, Congressmen, and other U.S. agency officials regarding proposed legislation impacting the environment. This series also contains publications and newsletters regarding environmental issues; a draft and final environmental impact statement for Groom Mountain Range, Lincoln County, Nevada; publications from partner organizations like the Bureau of Land Management (BLM) and the National Sierra Club; and records from the Toiyabe Chapter of the Sierra Club from 1998 to 2007.