The Friends of Arrow Rock begins its annual First Saturday Lecture Series with a discussion about hemp and its importance to the 19th century economy of the region. The free, one-hour lecture takes place at 10 a.m. on Saturday, February 4, 2017, at the Arrow Rock State Historic Site Visitor Center. Following the lecture will be a chili luncheon at Arrow Rocks’s Old Schoolhouse. Lunch will be served from 11 a.m. until 1 p.m. Attendees will get a big bowl of chili, plus cornbread and drink for $7.50 and can add a dessert for an addition $2.50. For more information visit www.arrowrock.org or www.friendsofarrowrock.org.