Tombstone, Arizona (CNN) – The six Forest Service rangers suddenly crouched, whispering, on their way up the rocky mountain trail. It was early Friday afternoon, the first day of the Tombstone Shovel Brigade, and the rangers were out in force, hiking to the spot where dozens of volunteers worked with picks and shovels to move and bury Tombstone’s makeshift water line.
Shhh! Look! Do you see it?
The rangers stopped in their tracks. [...]