@misc{indiciae6eea3154d807, title = {The civil engineer's handbook; a convenient reference book for chainmen, rodmen, transitmen, levelers, surveyors, as well as draftsmen, computers, and railroad, municipal, and hydraulic engineers — Illustration, Page 118}, year = {1913}, url = {https://www.biodiversitylibrary.org/page/17469976}, note = {Source identifier: page-17469976} }