Post your state of interest, California does not require corner posts for claims, GPS coordinates are accepted, your assumption that the experienced people, meaning old timers could not have knowledge to find hard rock gold or any other type of gold deposit is so ignorant, apparently you have never read any history books on the area you are interested in. Geology is number 1 in analyzing the area you hike in, there is a reason why we the experienced hold claims and it's not for meaningless reasons. I also see you are new to this, I'm not and I have over 30 years and 10,000 hours mining experience but I was ounce like you. Put aside your Newby assumptions and reach out to us old timers, we will teach you as I was taught by the really old timers I met. Knowledge in the area of mining is earned through research, boots on the ground, testing and more testing and most importantly you must do your due diligence, meaning you must make sure you never mine on someone's claim. In time you might have your own claim but until then please respect us who own claims and our experience that we used to get them. P.S. people steal and destroy claim markers and that is why you are required to do your due diligence for if caught mining on a claim you will be in big trouble.