TY  - RPRT
TI  - The distribution of selected elements and minerals in soil of the conterminous United States
AU  - Laurel G. Woodruff
AU  - William F. Cannon
AU  - David B. Smith
AU  - Federico Solano
PY  - 2015
DO  - 10.1016/j.gexplo.2015.01.006
UR  - https://pubs.usgs.gov/publication/70191255
ID  - 70191255
ER  -