TY  - BOOK
AU  - Calvert,William R.
TI  - Geology of the Standing rock and Cheyenne river Indian reservations, North and South Dakota
T2  - U.S. Geological survey. Bulletin 575
AV  - QE75 .B9 no. 575
PY  - 1914///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Geology
KW  - North Dakota
KW  - South Dakota
ER  -