Bunch of places sell them, click on this ling, look them over and go to the page.

https://www.google.com/search?q=utm...gIVQZWICh0_JQrG&biw=1366&bih=616

Make sure the grids are in the right direction for you, and also the correct scale. They are cheap enough to buy a few.

In the west we take an easterly read first then a northerly, so this is the one that works in the west, but I see some numbered in different directions like the compass was.

[Linked Image]