U.S. Geological Survey: Bulletin 779: Guides to Ore in the Leadville District, Colorado (1926); by G. F. Loughlin

Fair condition, grayish staple-bound softcover.  (In plastic bag to protect the cover).  Cover has adhesive residue, discoloration, creasing, tearing, ink marks, and pencil marks.  Cover is partly off of binding.  Cover page has some pencil marks.  Text and illustrations throughout book are clean, clear, and legible……………………….v1 Bx670