You should see the map my buddy made of windrock. It’s incredible. The most detailed and up to date map you will ever see. I’m assuming he wanted to do a Harlan one as well.
It was less than $5 one time fee. That Windrock App appears to be the same tech and its priced through the roof with access only on a temp basis. Its crazy.
I wish carto tracks had Harlan, they have a map of the town of Evarts. I use Avenza maps for most of my mtb trips and for the Daniel Boon Backcountry Byway. Seems maplets may be the only way to get Black Mountain.