11. The base map contains all the possible objects from OpenStreetMap. 12. BZFlag uses a customized text based map format to define the placement of objects. 13. The base map is a simple road network, with few buildings named or depicted. 14. On MapQuest, the Web-based map service, he'll read aloud whatever directions you ask for. 15. If the GPS does not work, a paper or internet-based map would be useful. 16. The game is a turn-based map -oriented military simulation game. 17. *What base map is : File : USA Washington location map . svg derived from? 18. Battles are turn-based and take place on grid-based maps . 19. The data are presented in multiple levels with OpenLayers on the base map of OpenStreetMap. 20. The two maps are derivatives from USGS base maps .
