@article{200558, recid = {200558}, author = {Severson, R. C. and Stewart, K. C. and Harms, Thelma F.}, title = {Partitioning of elements between two size sediment fractions in samples from nineteen areas of the western United States [microform] /}, publisher = {U.S. Geological Survey :}, address = {[Denver, CO] :}, pages = {18 leaves :}, year = {1991}, note = {Cover title.}, url = {http://library.usi.edu/record/200558}, }