TY - RPRT TI - Spirit leveling in Missouri, 1896-1938. Part 3, East-central Missouri, 1896-1937 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1938 DO - 10.3133/b898c UR - https://pubs.usgs.gov/publication/b898C ID - b898C ER -