11. His superiors utilized his skills in drawing topographical maps of battlegrounds. 12. _Developing airborne and satellite-borne radar for locating hidden objects and enhancing topographical maps ; 13. Although they had a topographical map , neither knew how to properly read it. 14. He can study a sparse topographical map , look up and locate similar-looking terrain. 15. Locally bought topographical maps will do for the rest of the trail in Brandenburg. 16. On the mantel was a topographical map of North Carolina. 17. Extensive topographical maps were made and some of the nation's top engineers were consulted. 18. Some are exotic : topographical maps of the seafloor and Venus, a swirling hurricane. 19. Down the hall, detailed topographical maps from the government and a NASCAR road atlas. 20. Supplement it with a compass and boating charts, or, if you're hiking, topographical maps .
