CUMBERLAND - The Blackstone River Watershed Council/Friends of the Blackstone, in conjunction with the Natural Resources Conservation Service, is seeking volunteers to assist in conducting a stream continuity study of the tributaries of the Blackstone River. This survey consists of locating, identifying and classifying 700 stream crossings on all tributaries of the Blackstone River. For more information, contact Roland Gauvin at 333-0075 or by e-mail at ritreeman@cox.net.