@misc{indiciae76914c0c12a6, title = {Arsenic loads in Spearfish Creek, western South Dakota, water years 1989-91}, author = {Daniel G. Driscoll and Timothy S. Hayes}, year = {1995}, doi = {10.3133/wri954080}, url = {https://pubs.usgs.gov/publication/wri954080}, note = {Source identifier: wri954080} }