Tilford quad - south Sturgis reconnaissance Upper Pleasant Valley Sch. Sand pit - SE NE sec 31, T5N R6E. Sand pit is in the Lokota silt interval and has typical silts capping it. It is friable well sorted med-gr ss, x-lam with some clay coating grains, weathers white. Sample - (Pleasant Valley Sand pit.) Same unit as the loose sand underlying the siltstone at Eden School. Above it is covered slope on covered clstn to contact, which is locally easy to see because of 2 to 4 ft ledge ss in basal Fell River just short distance above contact. To west in pine covered ridges at least 2 separate Lokota ss bodies come in but no chance for section. Sec. 9 T.4N R6E along S border of section. (See map) Here typical contact well exposed with basal Fell River silt & carb shaly silt. Then v2v, Lokota to horizon of 'contorted silt'. At this horizon locally 10-15-feet of hard muddy silt with interbeds silts, lite grey clstn. Then covered slope, quarry float to purple bed of top Lokota silt. 28