Sioux Falls Huron Rapid City Pierre
White Hills Red Hills Black Hills Appalachian Hills
Mount Rushmore Wind Cave NP Jewel Cave National Monument Badlands NP
Lake Oahe Lake Sharpe Lake Francis Lake Sakakawea
Jewel Cave Mammoth Cave Optmisticeskaja Cave Wind Cave
Interstate 20 Interstate 5 Interstate 40 Interstate 10
Deadwood Hot Springs Edgemont Spearfish
7.7 million 1.77 million 17.7 million 770 000
Hawkeye State First State Mount Rushmore State Prairie State
Cheyenne River James River Missouri River Big Sioux River