TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, Joplin 1 degree x 2 degrees Quadrangle, Missouri and Kansas; drill hole Nos. 119, 120, and 121
AU  - J. H. Bullock
AU  - H. W. Folger
PY  - 1990
DO  - 10.3133/ofr908
UR  - https://pubs.usgs.gov/publication/ofr908
ID  - ofr908
ER  -