TY  - RPRT
TI  - Spectrographic analyses of insoluble-residue samples, Harrison 1 degree x 2 degrees Quadrangle, Missouri and Arkansas; drill holes nos. 50, 51, 52, 53 and 54
AU  - Barbara Chazin
AU  - M. S. Erickson
PY  - 1988
DO  - 10.3133/ofr88407
UR  - https://pubs.usgs.gov/publication/ofr88407
ID  - ofr88407
ER  -