11. Durant had used a plumb bob and a grid map , combined with some hair from the victim. 12. I googled " hex grid map " but it was mostly computer games and board game related. 13. Several ground units are also present on the grid map , and can only be destroyed by bombers. 14. When the game starts, however, it chooses random locations to place across a predefined square grid map . 15. The time units system, the always-visible grid map and the inventory system of the original have been removed. 16. The most common type of occupancy grid maps are 2d maps that describe a slice of the 3d world. 17. Battles take place on a grid map system and are often limited to 30 days ( or 30 turns ). 18. National Grid maps began to be issued after the war, but it was some time before there was full coverage. 19. The units are then moved on a hexagon grid map similar to a large number of board and computerized wargames. 20. The grid map was composed of rectangles measuring 15 minutes of latitude by 30 minutes of longitude, an area of about.
