Assumed to be the collector (Assumed to be year collected)
George K. Helmkamp
18924
2012-05-05
E.A. Helmkamp
United States, California, Placer, Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River