TY  - RPRT
TI  - Total and extractable selenium in soils from the Lake Andes-Wagner irrigation area, South Dakota
AU  - S. A. Wilson
AU  - R. C. Severson
AU  - K. R. Kennedy
AU  - A.R. Shinneman
AU  - S.A. Kinney
PY  - 1990
DO  - 10.3133/ofr9052
UR  - https://pubs.usgs.gov/publication/ofr9052
ID  - ofr9052
ER  -