Note 22 — CHAPTER 29
Reading edition
I must deprecate criticism in respect to many of my geographical details. I find I have omitted this branch; but my health totally incapacitated me from reconstructing my map, which has been composed by the engraver from my disjointed materials. It is well known to all practical surveyors and geographers that none can do this properly but their author, who knows the precise value of each portion. [It is the main stream of the Lūni river.]