IU1U Hit* 1TUUIUlicit know whether they were Cathy’s until they returned home.Police said the panties were found during a search of the 1,11)0 acre park Saturday night and Sunday by 400 to 50U volunteers.The parents told police they missed the child about 35 minutes after arriving at the park for a picnic at 5 p.m. Sa- turday.They said Cathy had gooe with her five older brothers and sisters to a creek while theparents unloaded the car anddid nnt return when called,According to the parents they had slopped to picnic at the area south of the first paved parking area, where Faintcrvilte creek empties into Lake Michigan.Mr. and Mrs. Davidson and their other children searched the area before notifying police about 6 p.m.Cathy was said to be a friendly girl who had been repeatedly cautioned against getting into cars with strangers, said her mother.She was described as 3 feet 10, 70 pounds, with brown eyes and hair braided into tight rows Cji(See back page, sec. 1, col. 7)GIRL’S PARENTS: Mr. and Mrs. Robert Davidson anxiously await news of daughter, Cathy, 6,. who disappeared Saturday while family was picnicking at Warren Dunes state park. Family has frequently visited the park.Dowagiac School WorkerssIOn StrikeDOWAQ1AC - Students -whinormally • ride . buses to Dowagiac schools had to find other ways to get to the first dayof classes today.as the district's bus drivers and other service employes went on strike.The strike, announced late last night by the employe's union — local 586, unit eight, of Service Employes InlertiaUon union (SEIU). - was called over alleged violations of the union’s contract by the school board, according a union spokesman.However, Supt. Lionel Stacey said this-morning that “it looks like” wage negotiations(Seepage 23, cela m«l