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The Coal Mines Regulation Act, 1887
being the act regulating mines of coal, stratified ironstone, shale, and fireclay -
Mining rights in Colorado
lode and placer claims, possessory and patented, from the district organizations to the present time -
Manual of American mining law as practiced in the western states and territories
embracing a compilation of the text of the United States statutes, land-office regulations and decisions, and the local statutes of California, Colorado, Nevada, Dakota, Washington, Wyoming, New Mexico, and Arizona