ON THE CONSTRUCTION OF MODEL MAPS, AS A BETTER MODE THAN SECTIOPLANOGRAPHY FOR DELINEATING THE DRAINAGE AND AGRICULTURAL IMPROVEMENTS OF A COUNTRY, OR PROJECTED LINES OF RAILWAYS, CANALS, & C.

Keywords: MAPS, MODELS, CONSTRUCTION, DRAINAGE, AGRICULTURE, IMPROVEMENT, DEVELOPMENT, RAILWAYS, CANALS, RELIEF, MAPPING, TOPOGRAPHY, SURVEYS, REPRESENTATION