Editore: United States Government Printing Office, Wash, D.C., 1967
Da: Adagio Books, Longmont, CO, U.S.A.
Soft cover. Condizione: Poor. Spine is taped on both inside and outside of front/rear. Back cover has multiple small tears along the edges and wrinkling/creases. Interior clean and unmarked. Two plates in rear pocket. Provides a description of the stratigraphy and structure of lower Paleozoic rocks in the Island Falls quadrangle and the results of using geophsical techniques to trace certain strata beneath covered areas. Size: 9 x 11 1/2.