TY  - RPRT
TI  - Topographic surveys of selected mine dumps near Silverton and Leadville, Colorado
AU  - A.S. Hein
AU  - D.V. Fitterman
PY  - 1998
DO  - 10.3133/ofr98588
UR  - https://pubs.usgs.gov/publication/ofr98588
ID  - ofr98588
ER  -