@article{199700, note = {Distributed to depository libraries in microform.}, author = {Knott, J. M. and Sholar, Clyde J. and Matthes, Wilbur J.}, url = {http://library.usi.edu/record/199700}, title = {Quality assurance guidelines for the analysis of sediment concentration by U.S. Geological Survey sediment laboratories /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey :}, recid = {199700}, pages = {iv, 22 p. ;}, address = {Denver, Colo. :}, year = {1992}, }