''A Treatise Of Practical Surveying
by Robert Gibson
Bibliographic Information
Author: Robert Gibson
Title: A Treatise Of Practical Surveying: Which is Demonstrated From its First Principles Wherein Every Thing That is Useful and Curious in that Art, is Fully Considered and Explained
Publication Info: 5th ed. Philadelphia: Printed by Joseph Crukshank ..., 1789.
Edition: