I'am 60 yrs old now and the last time I was in the natural cave I hit the end with a pick and had rushing water tare it out of my hand. THE cave is still there ..we all know glod is heavy believe it is at the bottom in the water..Need help
First, welcome to Tnet. Though I find your question interesting, you would probably get better results if it were posted in the right forum. Try "Treasure Legends".
If you KNOW where it is, I, for one, could help you recover it.