DNR to discuss tree harvesting at public meeting 1/3/2018 2:13:00 PM View Count 3916 WEST DES MOINES, Iowa -- The Iowa Department of Natural Resources (DNR) will host an informational meeting on Tuesday, January 9, from 6:30 – 7:30 p.m. at the Walnut Woods State Park Lodge in West Des Moines to discuss a planned tree harvest.