Revision History for USGS Fact Sheet 2011-3061 Brian A. Pellerin, Brian A. Bergamaschi, Peter S. Murdoch, Bryan D. Downing, JohnFranco Saraceno, George R. Aiken, and Robert G. Striegl The Aquatic Real-Time Monitoring Network: In-Situ Optical Sensors for Monitoring the Nation's Water Quality ----------------------------------------------------- Posted online at http://pubs.usgs.gov/fs/2011/3061/ June 17, 2011 -----------------------------------------------------