TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, Joplin 1 degree x 2 degrees Quadrangle, Kansas and Missouri; drill hole Nos. 56, 57, and 58
AU  - J. H. Bullock
AU  - H. A. Whitney
PY  - 1989
DO  - 10.3133/ofr89475
UR  - https://pubs.usgs.gov/publication/ofr89475
ID  - ofr89475
ER  -