@misc{indiciaecedb7133fea7, title = {Silver concentrations in Colorado, USA, watersheds using improved methodology.}, author = {Liang-Saw Wen and Peter H Santschi and Gary A Gill and Degui Tang}, year = {2002}, url = {https://pubmed.ncbi.nlm.nih.gov/12371479/}, note = {Source identifier: 12371479} }