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第 1 页CC0 1.0（公有领域）
Every known cave in Great Basin National Park formed in limestone, marble or dolomite, but by three different processes: rising acidic groundwater, sinking rainwater, and rocks pulled apart by a vast ancient fault.
第 3 页CC0 1.0（公有领域）
University of Nevada, Reno researchers trapping woodrats in Great Basin National Park found desert and bushy-tailed woodrats living side by side, which is rare across the Great Basin.
