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 special publication Manual of plane-coordinate computation / by Oscar S. Adams and Charles N. Claire Control surveys and their uses / by J.H. Brittain special publication Manual of second and third order triangulation and traverse / Department of Commerce, U.S. Coast and Geodetic Survey verslag van de behandeling van dit vraagpunt op de jaarlijksche algemeene vergadering van ... tegenwoordige stand van den asfaltwegenbouw" en "De tegenwoordige stand van den betonwegenbouw" special publication Cartography / by Charles H. Deetz