(KLIX)-Bureau of Land Management officials have become concerned with exploding targets. Officials believe several in the state have been caused by these targets in the last few weeks. Kyli Gough with B-L-M says  people use exploding targets for riffle practice. BLM says when they explode  they scattery incendiary material several feet. These materials can easily spark a wild fire. Officials say it is illegal to use exploding targets, incendiary or tracer ammunition and fireworks on public lands between May 10th and October 10. Violators could face jail time or a fine of  $100-thousdand dollars.