TY  - BOOK
AU  - Willard,Daniel E.
TI  - The story of the prairies: or, The landscape geology of North Dakota 
PY  - 1907///
CY  - Chicago
PB  - Printed for the author by Rand, McNally
KW  - Geology
KW  - North Dakota
KW  - Glacial epoch
KW  - Descr. & trav
N1  - Index: p.373-377
ER  -