Assumed to be collector (Assumed to be year collected)
George K. Helmkamp
17037
2010-10-20
E.A. Helmkamp
United States, California, Sutter, Sacramento Valley: Pleasant Grove Road 0.1 mile N of the junction with Marcum Road, S of Nicolaus Ave., 2 miles SE of Trowbridge
38.903056 -121.488333 +-100m.
38° 54' 11" N 121° 29' 18" W
17 metros
55ft
Flat farmland with irrigation ditches. Common in dry roadside soil