Extras

Video thumbnail: Images of the Past Wind Cave Exploration

Images of the Past

Wind Cave Exploration

Clip from a 1990 program about early exploration of one of the world's largest caves.

Wind Cave Exploration

Video thumbnail: Images of the Past Mount Rushmore Models - 1927-1941

Images of the Past

Mount Rushmore Models - 1927-1941

Sculptor Gutzon Borglum's original design changed greatly during the carving process.

Mount Rushmore Models - 1927-1941

Video thumbnail: Images of the Past Black Hills State University - 1913

Images of the Past

Black Hills State University - 1913

Film shot in 1913 of Spearfish Normal School, the forerunner of today's BHSU

Black Hills State University - 1913

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