TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, Joplin 1 degree x 2 degrees Quadrangle, Kansas and Missouri; drill hole Nos. 27, 28, and 29
AU  - John H. Bullock
AU  - Helen A. Whitney
PY  - 1989
DO  - 10.3133/ofr89278
UR  - https://pubs.usgs.gov/publication/ofr89278
ID  - ofr89278
ER  -