TY  - BOOK
AU  - Simpson,Howard E.
AU  - Riffenburg,Harry Buchholz
ED  - North Dakota Geological Survey
TI  - Geology and ground-water resources of North Dakota,
T2  - Geological Survey (U.S.). Water-supply paper
AV  - TC801 .U2 no. 598
PY  - 1929///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Geology
KW  - North Dakota
KW  - Water-supply
KW  - Groundwater
N1  - At head of title: United States Department of the Interior; Map folded in pocket
ER  -