@misc{indiciaeab2f3f67f78b,
  title = {Spirit leveling in Missouri, 1896-1938. Part 4, Northwestern Missouri, 1896-1937},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1938},
  doi = {10.3133/b898d},
  url = {https://pubs.usgs.gov/publication/b898D},
  note = {Source identifier: b898D}
}