The ore deposits of Utah . B. PHOTOMICROGRAPH OF SPECIMEN OF HIGHLY ALTERED WALL ROCKADJACENT TO VEINS FROM GOLD SPRINGS DISTRICT. Dark areas, adularia; light areas, quartz. Enlarged 30 diameters. V. S. GEOLOOirAT. SURVEY PROFESSIONAL PAPER 111 PLATE XX. A. PHOTOMICROGRAPH OF SPECIMEN OF ALUNITE FROM TUSHAR RANGE, SHOWING PLUMOSE CHARACTER OF CRYSTALS. Enlarged 25 diameters.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectminesandmineralresou