https://badlandsfieldcraft.wordpress.com/2021/03/30/land-navigation-skills-and-techniques-part-1/
https://badlandsfieldcraft.wordpress.com/2021/04/13/land-navigation-skills-and-techniques-part-2/
Print each of these posts (including embedded resources), along with the maps for your AO and likely paths of movement, and practice using them with your people.
Tempus fugit.
See also this resource via NCR:
https://apps.nationalmap.gov/downloader/#/
