ROCKFORD (WIFR) - -This week Rockford Area Crime Stoppers and Boone County Crime Stoppers seek your help to solve a series of thefts of steel cable containing copper wire from gravel pits located in both counties. The investigation indicates that since August 1st, 2013, thieves have entered several locked quarries during the nighttime hours and removed several thousand feet of electrical cable for the purpose of removing the copper wire from inside the cable. In one incident alone, the projected loss not including the repair cost to the conveyors is estimated to be in excess of $20,000. Rockford Area Crime Stoppers is offering a $1,000 cash reward for information which solves this series of thefts. If you have information, please call Rockford Area Crime Stoppers at 963-7867 or toll free at 1-888-769 STOP. Remember when you call we never ask your name, our phones do not have caller ID and we do pay cash rewards.