@misc{indiciaeef4d648169e3,
  title = {Michigan magnetic and gravity maps and data: A website for the distribution of data},
  author = {David L. Daniels and Robert P. Kucks and Patricia L. Hill and Stephen L. Snyder},
  year = {2009},
  doi = {10.3133/ds411},
  url = {https://pubs.usgs.gov/publication/ds411},
  note = {Source identifier: ds411}
}