For those that may be researching their roots in Allegheny County..specifically in the Steel Valley where the great US Steel Mills once stood, you may want to consider checking out the Homestead & Mifflin Township Historical Society. Their website is: www.15122.com/mths Gary Costel Researching the following (Slovakia) surnames: Bakajsa, Bereczky, Bockaj, Chwerchak, Cossel, Costel, Hacala, Hanchak, Jurkiv, Kalman, Kascsak, Katrinak, Lahvardi, Murajda, Ondik, Ondike, Petrik, Ribar, Stefancin