TY  - RPRT
TI  - Miscellaneous chemical analyses of some rocks, soils, sediments, and plants from North Dakota
AU  - George Van Trump
AU  - R. Vilela Mendes
PY  - 1976
DO  - 10.3133/ofr7696
UR  - https://pubs.usgs.gov/publication/ofr7696
ID  - ofr7696
ER  -