TY  - RPRT
TI  - Geology and ground-water resources of North Dakota, with a discussion of the chemical character of the water
AU  - Howard E. Simpson
AU  - Harry Buchholz Riffenburg
PY  - 1929
DO  - 10.3133/wsp598
UR  - https://pubs.usgs.gov/publication/wsp598
ID  - wsp598
ER  -