@misc{indiciae480ed7c9f376,
  title = {A field method for obtaining significant average directional measurements in cross-stratification studies},
  author = {Omer Beaver Ramp and Alfred T. Miesch},
  year = {1956},
  doi = {10.3133/tem689},
  url = {https://pubs.usgs.gov/publication/tem689},
  note = {Source identifier: tem689}
}