The plane system of coordinates for highway surveys; a review of a ground surveying method, prepared under the direction of W.M. Parker, engineer of traffic & planning, and C.E. Gray, assistant engineer of planning, by Jon S. Beazley, photogrammetric engineer.

Bibliography: leaves 46-48.

The mathematical principles of navigation and surveying, with the mensuration of heights and distances : being the fourth part of a course of mathematics, adapted to the method of instruction in the American colleges /

Mode of access: Internet.

A simple method of surveying from air photographs,

(Gt. Brit. Air survey committee. Professional papers, no. 8 Supplement)