Air survey and archaeology
By: by O.G.S. Crawford...archaeology officer, Ordnance survey.  Illustrated by maps and diagrams.  Pub. by order of the director general, Ordnance survey.
Series: [Gt. Brit.] Ordnance survey.  Professional papers.  New Series ;; no. 7
Publisher: Printed for H.M. Stationery off. at the Ordnance survey
Published: 1924
Place of publication: Southampton
Language: eng
Number of pages: 39
Subjects: Archaeology.; Great Britain -- Antiquities.