Antarctica A Keystone in a Changing World · 1986 · 60 citations · 2 references
EngineeringGeological EngineeringMining EngineeringDrillingEconomic GeologyMine Production EngineeringMine DevelopmentMining GeologyMining PolicyOre Deposit GeologyOre MineralogyUranium MiningAdit DevelopmentCopper Ore DepositsEconomic Geology Of UraniumOre Deposit GenesisUnderground Uranium MiningUranium ExplorationUranium Exploration Geology
The Orphan is a single, patented lode mining claim within Grand Canyon National Park. The claim was located for copper in 1893, on the escarpment below Maricopa Point on the south rim.
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Mineralization of breccia pipes in northern Arizona
Karen J. Wenrich · Economic Geology · 1985 · 161 citations
The Supai Group of Grand Canyon
Edwin D. McKee · USGS professional paper · 1982 · 66 citations · Full text