@article{257332, note = {Cover title.}, author = {Desborough, George A.}, url = {http://library.usi.edu/record/257332}, title = {Leaching studies of schwertmannite-rich precipitates from the Animas River headwaters, Colorado and Boulder River headwaters, Montana [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,}, recid = {257332}, pages = {16 leaves :}, address = {Denver, Colo. :}, year = {2000}, }