TY - RPRT TI - Depositional environment, stratigraphy, and vertical hydraulic conductivity of the St. Francois confining unit in the Fristoe Unit of the Mark Twain National Forest, Missouri AU - Michael J. Kleeschulte AU - Cheryl M. Seeger PY - 2000 DO - 10.3133/wri004037 UR - https://pubs.usgs.gov/publication/wri004037 ID - wri004037 ER -