An exhibit of children's poetry and art expressing their understanding of watersheds continues through Sunday, Sept. 30, at Dusenberry River Branch Library, 5605 E. River Road; free. It reopens opens Tuesday, Oct. 2, and runs through Tuesday, Oct. 30. at Quincie Douglas Branch Library, 1585 E. 36th St. Hours are 10 a.m. to 8 p.m., Monday through Thursday; 10 a.m. to 5 p.m., Friday; 9 a.m. to 5 p.m., Saturday; and 1 to 5 p.m., Sunday; free. Call 615-7855, or e-mail eeducation@pima.gov for more information.