United States, Colorado, Pueblo, Huerfano Uplands, Vigil -St. Vrain Grant. S of Hog Ranch Canyon. Grasslands; top of barrens ridge, in open silty soil.
37.901911 -104.415405 +-3000m. WGS84
T 24S R 63W;
Georeferenced south of Hog Ranch Canyon (as identified by USGS Topo) with uncertainty radius encompassing entire area south of canyon.