TY  - RPRT
TI  - Description of insoluble residues from the T.P. Russell No. 1 drill hole and other drill holes in southeastern Missouri
AU  - D. S. Collins
AU  - R.A. Bohm
PY  - 1993
DO  - 10.3133/ofr93291
UR  - https://pubs.usgs.gov/publication/ofr93291
ID  - ofr93291
ER  -