00944nam a2200205Ia 4500 CTU_226176 210402s9999 xx 000 0 und d 973 A512/DVD.1 America's national treasures : The complete 12 volume series Presented by Bo Svenson and Jordan Murphy. United States Mill Creek Entertainment 2010 In 1906, Teddy Roosevelt created the nation's first National Monument destination. The purpose was to preserve all of America's significant pieces of history. Now viewers can take a journey through the ecology, geology, and beauty of the Great Plains, the geologic West, and the historic South in an adventure never to be forgotten. National monuments,Di tích quốc gia United States,Hoa Kỳ nthai Trung tâm Học liệu Trường Đại học Cần Thơ