Map reconnaissance :
a practical treatise on map reading, interpretation of aerial photographs and military sketching; with numerous practical exercises.

APA Citation

(1930). Map reconnaissance: a practical treatise on map reading, interpretation of aerial photographs and military sketching; with numerous practical exercises. Washington, D.C.: by the National service publishing co..

MLA Citation

Map Reconnaissance: a Practical Treatise On Map Reading, Interpretation of Aerial Photographs And Military Sketching; With Numerous Practical Exercises. Washington, D.C.: by the National service publishing co., 1930.