Examples from literature

• He summoned thither astronomers and cartographers and skilled seamen, while he caused stouter and larger vessels to be built for the express purpose of exploration. 
• Many a cartographer, burning with desire to draw a good map of a newly explored region, has been driven to despair by the inadequacy of the route surveys in his hands. 
• The chart was a large one, showing the vast territory drained by the Ohio, the Missouri, and the Mississippi, and the imagination of the cartographer had made good his lack of information.