June is National Dairy Month. I could not think of a better person to celebrate it with than Bob Purington. Purington is the eighth child of the late Herb Purington and his wife Barbara. He is also a member of the seventh generation to tend the Woodslawn Farm, founded in 1784 in Colrain. This 385 acre landscape includes woodlots, fields for corn and hay, and pasturage for about 75 cows, each one with a name.  For over 200…