Elfont, Edna A. Sand dunes of the Great Lakes / photographs by C.J. Elfont ; text by Edna A. Elfont. - Chelsea, MI : Sleeping Bear Press, c1997. - 144 p. : col. ill. ; 28 cm. ISBN: 1886947163 LCCN: 97022701 Subjects--Topical Terms: Sand dunes--Great Lakes Region.Sand dune ecology--Great Lakes Region. LC Class. No.: GB635.G75 / W54 1997 Dewey Class. No.: 551.3/75/0977