Hi Mark, sounds like you're off to a great start with your resources and PSK. Being a resourceful and experienced outdoorsman is your biggest asset.
Some type of emergency food would be nice to add if you have space. Some smoked almonds, beef jerky, candy, etc would be good for fat, carbs, and to mellow you out during the initial day or so until you asess your situation, treat injuries, and develop a plan.
Those items aren't quite as prone to weather changes and store well. Glucose tablets from the drug store are good for quick carbs, compact, and last forever if stored airtight.
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Be Happy