| Law - 1971 - 1554 pages
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| Evan Just - Geology - 1937 - 662 pages
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| United States - Law - 1983 - 1156 pages
...vein at the surface, nor shall any claim be limited by any mining regulation to less than twenty-five feet on each side of the middle of the vein at the surface, except where adverse rights existing on the 10th day of May 1872 render such limitation necessary.... | |
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