TY  - RPRT
TI  - Surficial materials map of the Springfield 1 degree by 2 degrees Quadrangle, Missouri
AU  - J.W. Whitfield
PY  - 1986
DO  - 10.3133/mf1830b
UR  - https://pubs.usgs.gov/publication/mf1830B
ID  - mf1830B
ER  -