Bundle up and learn how to identify pine from spruce, fir and more. Adults down to pre-school age will examine and draw needles, scales, and cones. At Blackstone Field, across from the Narragansett Boat Club (2 River Rd. aka River Dr., Providence, RI 02906). Part of the Art & Exploration at Blackstone Park series, with 15 Minute Field Trips, at 10 a.m. first Saturdays July 2019 – June 2020 Check the 15 Minute Field Trips Facebook page for weather updates.