@misc{indiciaeb3e494949d80,
  title = {Using the "HP-71B" hand-held computer for data entry while running first order, Class II level surveys},
  author = {Kenneth M. Yamashita},
  year = {1989},
  doi = {10.3133/ofr89179},
  url = {https://pubs.usgs.gov/publication/ofr89179},
  note = {Source identifier: ofr89179}
}