The Lehigh Gap Nature Center, 8844 Paint Mill Road, Slatington, is hosting a presentation by Marilyn Jordan Ph.D. 7:30 p.m. June 4.

Jordan will speak on the subject of her graduate school research for Rutgers University on the effects of the zinc smelting in the late 1960s and early 1970s at Lehigh Gap.

This is the period of research before the area was declared a Superfund site.

All are invited to attend.

For information, go to lgnc. org or call 610-760-8889.