TY  - RPRT
TI  - Rehabilitation materials from surface- coal mines in western USA. I. Chemical characteristics of spoil and replaced cover-soil.
AU  - R. C. Severson
AU  - L. P. Gough
PY  - 1983
UR  - https://pubs.usgs.gov/publication/70011305
ID  - 70011305
ER  -