TY  - RPRT
TI  - The lignite field of northwestern South Dakota
AU  - Dean Eddy Winchester
AU  - Charles Joseph Hares
AU  - Edwin Russell Lloyd
AU  - E.M. Parks
PY  - 1916
DO  - 10.3133/b627
UR  - https://pubs.usgs.gov/publication/b627
ID  - b627
ER  -