Marciano A. Balay Determination of Mean Level of Argentine Sea: Influences of Oscilliations of the Sea not Caused by the Tide PDF (English)
Julio Gonzalez Fernandez Use of Raydist Type "ER" in Survey of North Bar of Amazon River PDF (English)
P. Hugon Control of Experimental Decca Chain NO. 4 (Southern France) and Possibilities of Marine Use off Mediterranean Coast PDF (English)
J. Lochard Possibilities of Radio Direction-Finding with Decametric Waves as a Means of Radio Navigation PDF (English)
List of Geodetic Positions on European Datum (E.D.) of Points Used for Nautical Chart Construction in the Netherlands and Norway PDF (English)
Henry P. Stockard Airborne Geomagnetic Surveys by the United States Hydrographic Office PDF (English)
Harold E. Saunders, Gardner D. Blodgett The Preparation of a Reconnaissance Map Covering the Coasts of Wilkes Land and Adjacent Coasts in Antarctica PDF (English)