Editore: Minnesota Public Interest Research Group, MInneapolis MN
Da: Chequamegon Books, Washburn, WI, U.S.A.
center-stapled paperback. Condizione: good. 40 pages; 8 1/4 x 7" Partially inked out sticker and inked out numbers on front cover; wear to cover edges and corners; pocket and stickers glued/taped to inside rear cover.
Editore: Minnesota Public Interest Reserach Group, Minneapolis, 1975
Da: Cambridge Books, Cambridge, MN, U.S.A.
Prima edizione
Soft cover. Condizione: Very Good. 1st Edition. 40 pages : illustrations ; 18 cm. An early and rare book at the dangers of mining near Minnesota's Boundary Waters Canoe Area.