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Grand Staircase-Escalante National Monument - Death Valley Jim - Guide to the Mojave Desert, Death Valley, Joshua Tree
Depending on where you stand, Grand Staircase–Escalante National Monument has been quietly doing its thing for between 275 million and 50 million years. But it’s relatively new to us humans: It was the last part of the lower 48 United States to get cartographed, and once people started poking around they realized they were …