IM presently detecting a home site dated 1799 that was a Hotel for a few years in a small village in Canada, I received the okay to hunt (this fall ) a wood working and flour production power by water place dated 1690 , only a small part of a wall made of rock steel up.My best finds for this morning was a silver quarter 1944 and a big silver spider marked silver Mexico and two token produce by SHEL OIL and junks.