@misc{indiciae3ab9554ddc92, title = {A120 yr record of widespread contamination from mining of the Iberian pyrite belt}, author = {A. VanGeen and J.F. Adkins and E.A. Boyle and C.H. Nelson and A. Palanques}, year = {1997}, doi = {10.1130/0091-7613(1997)025<0291:ayrowc>2.3.co;2}, url = {https://pubs.usgs.gov/publication/70019115}, note = {Source identifier: 70019115} }