@article{227841, recid = {227841}, author = {Hein, Andrew S. and Fitterman, David V.}, title = {Topographic surveys of selected mine dumps near Silverton and Leadville, Colorado [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey,}, address = {Denver, CO :}, pages = {38 leaves :}, year = {1998}, note = {Cover title.}, url = {http://library.usi.edu/record/227841}, }