The ore deposits of Utah . C. REPLACEMENT OF VEGETABLE MATTER BY IRON SUL-PHIDE (PYRITF:S AND MARCASITE?) LARGELY ALTEREDTO LI MONITK, WHICH STILL RETAINS CELLULAR STRUC-lURE, FROM CIRCLE CLIFFS. D. ENLARGEMENT OF C, SHOWING REMNANTS OF IRON

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectminesandmineralresou