The Crystal Falls iron-bearing district of Michigan, with a chapter on the Sturgeon River tongue by W.S. Bayley and an introduction by C.R. van Hise.
1899. 19th Ann. Rep. United States Geological Survey Part III; pp. 1-151, 6 figs. 10 plts. h.t. with col. maps & sections, col. plts. of rock specimen, photos, and 1 fold. & col. geol. map loosely inserted. Plain wrps. stapled extract, very good, 4to. This is the original 1899 print edition, not a later or modern reprint.