Stone walls and sugar maples :
Stone walls and sugar maples : an ecology for Northeasterners /
- Boston : Appalachian Mountain Club, c1979.
- x, 178 p. : ill. ; 22 cm.
Includes bibliographical references and index.
0910146225
Ecology--United States--Atlantic States.
Includes bibliographical references and index.
0910146225
Ecology--United States--Atlantic States.