Revision History for USGS Professional Paper 1774 David J. Topping, David M. Rubin, Scott A. Wright, and Theodore S. Melis Field Evaluation of the Error Arising from Inadequate Time Averaging in the Standard Use of Depth-Integrating Suspended-Sediment Samplers ----------------------------------------------------- fixed typo: On page 43, on the first line of text in the right column under Table 9, the word "sediment" was replaced with "sand" changed from: ...velocity-weighted suspended-sediment concentration in a... to: ...velocity-weighted suspended-sand concentration in a... November 8, 2011 updated URLs in several of the references September 7, 2011 fixed typos in three of the references August 22, 2011 Posted online at http://pubs.usgs.gov/pp/1774/ August 16, 2011 -----------------------------------------------------