TY - RPRT TI - Biological activity and chemical characteristics of dredge material from ten sites on the upper Mississippi River AU - L. L. Marking AU - V. K. Dawson AU - J. L. Allen AU - T.D. Bills AU - J.J. Rach PY - 1981 UR - https://pubs.usgs.gov/publication/94359 ID - 94359 ER -