The book ""Memoir Of The Life Of Major-General Colby: Together With A Sketch Of The Origin And Progress Of The Ordnance Survey Of Great Britain"" is a memoir written by Joseph Ellison Portlock about the life of Major-General Colby. The book also includes a sketch of the origin and progress of the Ordnance Survey of Great Britain. Major-General Colby was a renowned military officer who was instrumental in the development of the Ordnance Survey of Great Britain. The Ordnance Survey was a project aimed at creating detailed maps of the country, which would be used for military purposes. Colby was appointed as the director of the project in 1820, and he worked tirelessly to ensure its success.The book provides a detailed account of Colby's life, from his early years to his military career and his involvement in the Ordnance Survey. It also includes information about the survey itself, including the methods used to create the maps and the challenges faced by the surveyors.Overall, ""Memoir Of The Life Of Major-General Colby"" is a fascinating account of the life of a remarkable man and his contribution to one of the most important mapping projects in British history. It provides a unique insight into the history of cartography and the role of maps in military strategy.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.