> I will look for something it would have snagged on. If that's the case the regular spacing suggests perhaps maybe a few ends of concrete rebar in a broken kerb, one end per cut. It would have to be something heavy or fixed Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.6037 / Virus Database: 4365/10117 - Release Date: 06/28/15 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .