Someone (named Claire Wolfe - Google her article about it) once wrote that if it's time to start burying them it is time to start digging them up.
stay safe.
A very good article and reading of Jack's adventures in trying to find his buried guns was great.
I have buried a Glock 17, 4 magazines, ammo, matches, buck knife, life straw, compass, and etc. at each of my staches so no matter where I roam in the west, I have a survival supply nearby. For example, as the article suggest, I have used Stonehenge (the one in Columbia gorge) for my fixed marker at one of my Washington stashes, which will make it easy to find if needed.
I chose the Glock 17 for being almost rust proof in extreme conditions, using very common 9mm ammo, and the fact that when you pull the trigger it goes bang.
My first Glock 17 I purchased was in 93, a gen 2, and it still goes bang even after 25,000 plus rounds without a failure