Short hunt in park

Did an hour hunt in the same park - didn't find much but found another wheat penny - 1947.  I know there must be silver - I have found silver where ever I have wheats so I hope it holds true.

                              2010 coin count
                                     Q-476
                               2 -  53,59-d washington
                                     D-541                             
                               4 - 1923,39-d,41,44 merc
                               2 - 1964,64d Rosie
                                    N -221
                               1 - V nickel - 1899
                               1 - buffalo - 1924   
                                    P - 893                            
                               1 - Indian head - 1864
                               49 - wheats  - 1910,15,20,24,27,34,37(2),38(2),39(2),41-d,42,44(8),45(3),46(2),47,48,49(3),50,52,52-d,53,53-d(2),55,56d,(5),57,57-d,58,58-d
                               3 - Dol
                               1 - Half
                               5 - Foreign 
                                    2163 coins
                                $197.12 total
                                9 - silver rings
                              27 - total rings