Native American abrading stone artworks

Here, is,how they were found and you can cleary see the work in the sandstone artworks none of the stones are carved near them so these are very true art works that were all hand dug and i had,to remove other small stones to remove the clay and mud to pull these beautiful stone works from the wall when i do look for them i dont know what it is toll i pull them out if they dont have no markings,i put it back in were i dug it up and continue this,is,my life works,i have discovered and many many more are still hiding in my site in norh carolina in bethania i hope you love my raw,pics of how i am finding these beautiful art works,these are true native american abrading stone art works