Thanks for posting the info, Bob.

Two important things here:

1. People on the trail are often the first available, and are a great help to anyone injured.

And #2:
If you request search and rescue services and no longer need them, it’s your duty to inform SAR of the change. SAR is happy to help when needed, but false calls cause resources to be wasted and volunteers to take time off work and away from their families and own adventures unnecessarily, possibly diverting resources from someone who actually needs them.