Create custom USNG Grid
How do I create a custom 100m USNG in my ArcMap document that has the correct labeling? I am attempting to make a USNG map at a 1:2,500 scale with a 100 m grid. The Reference System Selector has a US National Grid option, however it is for a 1000 meter grid which doesn't give enough information for the scale I'm tyring to produce. I'd like to make a custom 100m USNG grid that has the correct labeling at the 100m lines, I believe it is currently labeling the UTM coordinates. I would normally just create the grid and then label it manually, however I'm attempting to make a map book and editing each page is too time consuming.
Thanks for the help.
Mapping Center Answer:
At 9.x., using Grid Manager, you can modify MGRS grids from the Data Frame Properties dialog.
There is also a download that you can use to create a Military Grid Reference System and add it to your data frame. This download has the Grid Manager in it and grid .xml templates for larger scales. There is a 100 m grid interval in this download.
At 10, we are providing as part of the core software a new geoprocessing tool called Make Grids and Graticules Layer along with grid definition templates for USNG grids at all the large scales, including the 100 m grid.
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