TY  - RPRT
TI  - Distribution and variability of nitrogen and phosphorus in the alluvial, High Plains, Rush Springs, and Blaine aquifers in western Oklahoma
AU  - C.J. Becker
PY  - 1994
DO  - 10.3133/ofr9441
UR  - https://pubs.usgs.gov/publication/ofr9441
ID  - ofr9441
ER  -