Bryan Hockett, retired lead archaeologist for the US Bureau of Land Management in Nevada has conducted research and published on the archaeology of the Great Basin in North America and on Paleolithic subsistence practices in Southwestern Europe.Eric Dillingham is a retired archaeologist with the US Forest Service, formerly stationed at the Humboldt-Toiyabe National Forest in California and Nevada. His publications and presentations include prehistoric archaeology and paleoecology of the Great Basin, rock art of southern New Mexico, and railroad logging history.