234 Bulletin No. 20, Washington Geological Survey a shaft has been sunk on a slope of 45 to the northwest on a vein whose strike is NE., with a dip to the

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Date: 2011-02-27 16:07:52		234 Bulletin No. 20, Washington Geological Survey a shaft has been sunk on a slope of 45 to the northwest on a vein whose strike is NE., with a dip to the Add to Reading List Source URL: crossroadsarchive.net Download Document from Source Website File Size: 553,06 KB Share Document on Facebook