TY - RPRT TI - Geochemical and lead-isotope data from stream and lake sediments, and cores from the upper Arkansas River drainage; effects of mining at Leadville Colorado on heavy-metal concentrations in the Arkansas River AU - S. E. Church AU - C. W. Holmes AU - Paul H. Briggs AU - R. B. Vaughn AU - J.D. Cathcart AU - Margaret Marot PY - 1993 DO - 10.3133/ofr93534 UR - https://pubs.usgs.gov/publication/ofr93534 ID - ofr93534 ER -