. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. U. S. GEOLOGICAL SURVeV MONOGRAPH XXXVI PART I PL XXXVII. â .â¢^âº>* 'â¢^te* â ^'â ^'\'' â 'â¢if;'-'' â. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clements, Julius Morgan, 1869-; Smyth, Henry Lloyd, 1862-; Bayley, William Shirley, 1861-1943. Washington, : Govt. Print. Off.

---

Size: 1771px × 1411px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectgeology