TY  - RPRT
TI  - Structure contour maps on the base of Mississippian strata and the top of upper Cambrian strata, Springfield 1 degree by 2 degrees Quadrangle, Missouri
AU  - C.M. Seeger
PY  - 1989
DO  - 10.3133/mf1830g
UR  - https://pubs.usgs.gov/publication/mf1830G
ID  - mf1830G
ER  -