General Roy's instructions on reconnoitring : orders and instructions to be observed in examining, describing, representing, and reporting any country, district, or particular spot of ground, that officers or engineers may, at any time, be ordered to reconnoitre and report.
Roy, William,1726-1790.
[London] : Printed by A. B. King, (His Majesty's stationer) 36, Dame-street,
[18--?]
Caption title.
Imprint from colophon.
Military reconnaissance
England London.