Crop Mobs, a project started by a small group of Penn State students in the fall of 2013, will host two unique volunteer opportunities on Saturday, June 14. Plowshare Produce CSA will host a crop mob from 9 a.m. to 2 p.m. in Huntingdon, Pennsylvania and The Piper’s Peck will host volunteers from 1 to 6 p.m. in Bellefonte, Pennsylvania.