TY  - RPRT
TI  - Using the "HP-71B" hand-held computer for data entry while running first order, Class II level surveys
AU  - Kenneth M. Yamashita
PY  - 1989
DO  - 10.3133/ofr89179
UR  - https://pubs.usgs.gov/publication/ofr89179
ID  - ofr89179
ER  -