TY  - RPRT
TI  - Significance of nearshore trace-fossil assemblages of the cambro-ordovician deadwood formation and Aladdin Sandstone, South Dakota
AU  - T.M. Stanley
AU  - R.M. Feldmann
PY  - 1998
UR  - https://pubs.usgs.gov/publication/70020696
ID  - 70020696
ER  -