. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. i^'srv- {^). (S) (.A) PERLITIC PARTING IN APORHYOLITE. (B-) PERLITIC PARTING IN APORHYOLITE BETWEEN CROSSED NICOLS. The MERinEN GRAVURE 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.
. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. i^'srv- {^). (S) (.A) PERLITIC PARTING IN APORHYOLITE. (B-) PERLITIC PARTING IN APORHYOLITE BETWEEN CROSSED NICOLS. The MERinEN GRAVURE 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.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectgeology
