TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, within and adjacent to the Joplin 1 degree x 2 degrees Quadrangle, Missouri and Kansas; drill hole Nos. 122, 123, and 124
AU  - J. H. Bullock
AU  - H. W. Folger
PY  - 1990
DO  - 10.3133/ofr909
UR  - https://pubs.usgs.gov/publication/ofr909
ID  - ofr909
ER  -