Grand Forks, ND: The University of North Dakota Press, 1975. Paperback. Good - Some Highlighting. Item #077631
Some highlighting in the first ten pages and on about twenty more pages in the rest of the book; the soft cover bears considerable smudging, wear, and highlighter color on the back, light scuffing and handling creases on the front, and shelfwear around edges, but is overall sound. 433pp. incl. index. Papers on ecology, geology, soil, wildlife, etc., first presented at a conference in 1975.