TY - RPRT TI - Miscellaneous Chemical Analyses of Some Rocks, Minerals, Soils, Sediments, and Plants from South Dakota AU - George Van Trump AU - R.V. Mendes PY - 1976 DO - 10.3133/ofr7697 UR - https://pubs.usgs.gov/publication/ofr7697 ID - ofr7697 ER -