Not for route-finding or navigation.
Note to self: https://www.14ers.com/php14ers/tripreport.php?trip=8592
https://www.youtube.com/watch?v=n1qPF0U3KyU
https://www.youtube.com/watch?v=Avv7Bo7W9jM
https://www.youtube.com/watch?v=lWEFVuPMklU
https://www.14ers.com/forum/viewtopic.php?style=10&p=793503&sid=1939304d4ac9a909953a9c25adb00526#p793503