. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. I R 28 W /R^r US BIEN SCO L .\RCHEAN Granite GEOLOGICAI. MAP OF THE FELCH MOUNTAIN RANGE TOPOGRAPiri'.\XU GEOLOGY BY SCALE 2 INCHES -1 MILE ^ "^'TOIIR INTERV'AL 20 FEET HORIZONTAL SCALE OF SECTIONS :: INCHES -1 MILE \'ERTICAL SCALE 1 INCH - 1320 FEET ELEVATION OF BASl. LINES 600 FEET W Oulcrops wilhoi' t-bscH-ed Bli-jlu. or rtiu ; Trel pa« botlomed mrock o Drill holes ALGONKIAN CAMBRIAN LOWER HUHONIAN StiirqoonQiinrtzilr I Als I Rand^â ille Dolomito Mansfie
. The Crystal Falls iron-bearing district of Michigan. Iron ores; Geology; Geology, Stratigraphic; Geology, Stratigraphic. I R 28 W /R^r US BIEN SCO L .\RCHEAN Granite GEOLOGICAI. MAP OF THE FELCH MOUNTAIN RANGE TOPOGRAPiri'.\XU GEOLOGY BY SCALE 2 INCHES -1 MILE ^ "^'TOIIR INTERV'AL 20 FEET HORIZONTAL SCALE OF SECTIONS :: INCHES -1 MILE \'ERTICAL SCALE 1 INCH - 1320 FEET ELEVATION OF BASl. LINES 600 FEET W Oulcrops wilhoi' t-bscH-ed Bli-jlu. or rtiu ; Trel pa« botlomed mrock o Drill holes ALGONKIAN CAMBRIAN LOWER HUHONIAN StiirqoonQiinrtzilr I Als I Rand^â ille Dolomito Mansfield Schist AlrH Aim Grovelaiul Formntion UPPER HURONIAN Ulldmded INTRUSIVE Diabase Granite Au X D. 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
