Surficial geology within the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota
This coverage contains information about the surficial geology for the area within the 
Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, 
South Dakota. Identified units include: 
1) alluvium, terrace, outwash, colluvium, eolian 
deposits, and buried-valley fill; 
2) glacial till; 
3) …