TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples in and around the Joplin 1 degree x 2 degrees Quadrangle, Kansas and Missouri; drill hole Nos. 131, 132, and 133
AU  - J. H. Bullock
AU  - H. W. Folger
PY  - 1989
DO  - 10.3133/ofr89667
UR  - https://pubs.usgs.gov/publication/ofr89667
ID  - ofr89667
ER  -