topic

• Explorers60
• Railroads60
• Surveying60
• Banks and banking6
• History4
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name

• Miller, B. K. (Benjamin Kurtz), 1857-1928224
• Stanton, Robert Brewster, 1846-192260
• Sprague, Frank J. (Frank Julian), 1857-19346
• Bigelow, John, 1817-19114
• Dellenbaugh, Frederick Samuel, 1853-19354
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collection

• Century Company records3267
• Samuel J. Tilden papers244
• Benjamin K. Miller collection of United States stamps224
• Robert Brewster Stanton papers60
• Frank J. Sprague papers14
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place

• United States67
• Arizona60
• Colorado River (Colo.-Mexico)60
• Grand Canyon60
• Grand Canyon (Ariz.)60
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genre

• Correspondence3439
• Postage stamps225
• Clippings103
• Photographs84
• Telegrams81
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division

type

• text3561
• still image549
• cartographic10
• three dimensional object2