19e eeuwse schilderijen, aquarellen en tekeningen = 19th century pictures, watercolours and prints : Veilingnr. 173 op woensdag 28 april 1999 / Glerum Kunst- en … treaties and other international acts series United States rights at Dhahran airfield and related matters : agreement between the United States of America and Saudi Arabia special publication / u.s. department of commerce, coast and geodetic survey determination of the relative values of gravity at Potsdam and Washington / by E.J. Brown special publication Manual of triangulation computation and adjustment / by Walter F. Reynolds special publication Elements of map projection with applications to map and chart construction / by Charles H. Deetz and Oscar S. Adams special publication Manual of first-order leveling / by Henry G. Avers special publication Manual of second and third order triangulation and traverse / Department of Commerce, U.S. Coast and Geodetic Survey special publication Bilby steel tower for triangulation / by Jasper S. Bilby special publication Bowie method of triangulation adjustment as applied to the first-order net in the western part of the United States / by Oscar S. Adams special publication Elements of map projection with applications to map and chart construction / by Charles H. Deetz and Oscar S. Adams special publication Leveling in Arkansas / by Howard S. Rappleye special publication Geodetic level and rod / by D.L. Parkhurst