No, you can get biodegradable "clay targets" the ones we shot at and sometimes hit at Flatwater 2007 looked a funny colour to me on the underside and someone said, Steve Voss, I think, they were biodegradable. Whenever I shot, my targets were the bio cast iron type, I swear, I belted them hard but no chips!
Glad you're back in harness, Steve,
Mike, new guns for Flatwater 2008. Should have my Willian Evans single trigger 12 bore back from Les Paul with lustrous Olde English satiny blacking of the barrels.
Mike