Name the grid systems
Alphanumeric,military(map), earth
What is an alphanumeric grid
Uses letters and numbers to identify squares in a grid pattern
What is a military map grid
A grid system of blue lines that run on a topographic map
What is an earth grid
Grid system that divides the earth into a series of grid systems
What do u use four point and 6 point grids for?
Topographical maps