Wife and I camped in N Fl this weekend and I was just amazed at how much knappable rock I came across. Seems like everywhere I looked it was around. State parks building walls and amphitheater steps around the springs using giant chunks of often high quality chert, to it lining the banks of the rivers and finding workable chunks in drainage ditches. Never seen so much working rock just scattered around. Came home with a bunch of stuff that I didn’t expect! Time to get back to breaking some rock, for sure. What a great trip!