@misc{indiciae9dd68ecd814d, title = {Topographic surveying using the Sokkisha Set2 electronic total station with the HP-71B computer}, author = {J.E. Lucius}, year = {1997}, doi = {10.3133/ofr97528}, url = {https://pubs.usgs.gov/publication/ofr97528}, note = {Source identifier: ofr97528} }