TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, Joplin 1 degree x 2 degrees quadrangle, Kansas and Missouri : drill hole nos. 39, 40, 41, and 42
AU  - John H. Bullock
AU  - Helen A. Whitney
PY  - 1989
DO  - 10.3133/ofr89280
UR  - https://pubs.usgs.gov/publication/ofr89280
ID  - ofr89280
ER  -