2018 MCNAA Intertribal Pow WowRate This Event All are invited to the 30th Annual MCNAA Intertribal Pow Wow at Plug Pond at Plug Pond on September 8-9,  2018 at Plug Pond (aka Lake Saltonstall) in Haverhill, Massachusetts. The gorgeous Plug Pond provided the backdrop for the MCNAA Intertribal Pow Wow at Plug Pond which is [read more]