TY  - RPRT
TI  - A comparison of methods for estimating extractable amounts of 17 constituents in samples of mine soil from coal strip mines in the Western Energy Region
AU  - R. C. Severson
AU  - M. L. Tuttle
AU  - J. L. Peard
AU  - J.G. Crock
PY  - 1981
DO  - 10.3133/ofr81180
UR  - https://pubs.usgs.gov/publication/ofr81180
ID  - ofr81180
ER  -