OARS Volunteer Open House, Wednesday February 8 from 7:00 pm to 8:30 pm.  Assabet River National Wildlife Refuge, 680 Hudson Road, Sudbury.  Would you like to help preserve and protect our local rivers?  OARS, the watershed organization for the Assabet, Sudbury, and Concord Rivers, will hold a volunteer training open house.  Come learn about the rivers, OARS events, and the wide variety of ways you can help.   Light refreshments will be served.   Please register by calling OARS at 978-369-3956 or email office@oars3rivers.org.  Visit us at www.oars3rivers.org.