United States, Texas, Jim Wells, Just N of E-W perimeter road between S and SE arms of Naval Auxiliary Landing Field Orange Grove, ca. 2.7 airmiles E of jct. US Rt. 281 and Co. Rd. 220, at N27o53'19.0", W098o02'38.3". San Diego NE Quadrangle.
27.88861 -98.04397
In moist soils on edge of pond in borrow pit on otherwise level upland underlain by Lissie Formation.