TY  - RPRT
TI  - In situ and laboratory geotechnical tests in the Pierre Shale near Hayes, South Dakota
AU  - T.C. Nichols
AU  - D. S. Collins
PY  - 1986
DO  - 10.3133/ofr86152
UR  - https://pubs.usgs.gov/publication/ofr86152
ID  - ofr86152
ER  -