Page:A Brief History of South Dakota.djvu/100

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SOUTH DAKOTA

About this time (1850) eastern scientific people began to learn about the Bad Lands, and many men of note came out to visit and study that interesting region. The

Clay Buttes in the Bad Lands (Washabaugh County)

great men who have since then visited South Dakota, from General G. K. Warren to Theodore Roosevelt, are too numerous to mention.