1911. US Geol. Surv. Monogr. LII (52); 641 pp. 76 fig. 49 plts. (many folded and/or colored, some maps in pocket). Orig. cloth, gilt, corner just a little bumped, but in all a very good volume, 4to. [3,2 kg].
1909. United States Geological Survey Bulletin No. 360; 939 pp. 2 fold. plts. with col. maps (1 in pocket). Half cloth, gilt on spine, contents very good.
1909. United States Geological Survey Bulletin No. 360; 939 pp. 2 fold. plts. with col. maps (1 in pocket). Half cloth, gilt on spine, contents very good.
1877. 9th Ann. Rep. US Geol. Geogr. Survey of the Territories. pp. 237-276, 16 plts. h.t. several folding-out (plts 34-49). Orig. extract, plain contemp. (?) wrps. contents very good.
1937, Geological Society of America, Special Paper 6; 159 pp. 31 fig. 20 plts. h.t. with phot. & maps, some folding-out, 1 col. geol. map folding-out. Orig. wrps. with libr. stamp, contents very good.