TY - RPRT TI - Sources of coal-mine drainage and their effects on surface-water chemistry in the Claybank Creek basin and vicinity, north-central Missouri, 1983-84 AU - Dale W. Blevins PY - 1986 DO - 10.3133/ofr85571 UR - https://pubs.usgs.gov/publication/ofr85571 ID - ofr85571 ER -