This is a park is new to the mushroom club, but Google Maps show a mature woods so mushroom hunting should be good.

Directions:
Chatfield Park is located about 3 miles northeast of Keokuk. From the intersection of Hwys 218 and 61 in Keokuk, go 0.8 miles northeast. Turn left onto Argyle Rd (W62) and go 1.2 miles west and south. Turn left on Iowa Rd. We will meet at the main shelter just past the campgrounds.

For more information about this park: https://www.mycountyparks.com/County/Lee/Park/Chatfield-Park.aspx