Yout statement nails it. It helps if you do not travel until you have resolved the problem and know where you are for sure. One of my more memorable rescues was for a young lady who lost sight of her picnic spot while out gathering wood for a campfire, became confused, and just kept walking. She was three miles away, traveling downhill into steep, dangerous territory, when we caught up with her, Had she stayed put, the search would have been over in twenty minutes, and she would not have spent a night out. A situation where packing a whistle would have been a good idea....