Minor Memorial Library in Roxbury will open "undercurrents," an exhibit of graphite pencil drawings by Michael Rivera, with a reception June 30 from 2 to 4 p.m.

The show will run through Aug. 6.

Mr. Rivera is an art teacher at Shepaug Valley High School in Washington.

The South Street library is open Mondays from noon to 7 p.m., Wednesdays from 10 a.m. to 7 p.m., Thursdays from noon to 5 p.m., Fridays from 10 a.m. to 5 p.m. and Saturdays from 10 a.m. to 2 p.m.

For more information, call 860-350-2181.