TY  - RPRT
TI  - Industrial mineral resources of the Springfield 1 degree by 2 degrees Quadrangle, Missouri
AU  - A. W. Rueff
PY  - 1987
DO  - 10.3133/mf1830f
UR  - https://pubs.usgs.gov/publication/mf1830F
ID  - mf1830F
ER  -