Sweeney Granite Mountains Desert Research Center
Information
The Jack and Marilyn Sweeney Granite Mountains Desert Research Center (SGM) is located in the Mojave Desert east of Barstow. The site, which was the Staples family ranch from 1925 to 1960, joined the NRS in 1978. Archival collections on site have unexpected breadth and cover the history of the reserve as well as its relationships with researchers, governmental and non-governmental organizations operating in the region, and the oceanographer and adventurer Al Allanson.