北达科他人數, 動作及探險, 大自然 + 歷史圖片

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Source: National Parks Service/Laura Thomas

Source: National Parks Service/Gary Anderson

Source: National Parks Service/Laura Thomas

Source: Fargo-Moorhead CVB

Source: National Parks Service/Chad Allmendinger

Source: National Parks Service/Kim Wehner

Source: National Parks Service/Rolan Honeyman

Source: National Parks Service/Dave Bruner

Source: National Parks Service/Laura Thomas

Source: National Parks Service/Alexandria Shankweile

Source: National Parks Service/Laura Thomas

Source: Photo courtesy of the Bismarck-Mandan Convention & Visitors Bureau

Source: National Parks Service/Laura Thomas

Source: National Parks Service/Dave Bruner

Source: National Parks Service/Jeff Zylland

Source: National Parks Service/Janice Shanks

Source: National Parks Service/Rolan Honeyman

Source: National Parks Service/Chad Allmendinger

Source: National Parks Service/Joe Bruce

Source: National Parks Service/Jeff Welsh

Source: National Parks Service/Ryan Marthaller

Source: National Parks Service/Laura Thomas

Source: National Parks Service/Jeff Zylland

Source: National Parks Service/Rolan Honeyman