Former IDNR Heritage Biologist, Marty Kemper, will conduct a brief seminar on collecting and processing native grass and wildflower seed at the Paul Wightman Subterranean Nature Preserve, after which participants will go out into the prairie and practice what they’ve learned. This event is free and open to the public. Register to attend by contacting 935-2542 or cliffmbr@htc.net.