HPT-Harvest-6406 A large cloud of dust appears behind a potato harvester as it gathers the crops to send to the potato house. The dryness of the soil can be attributed to a months-long drought which has affected Aroostook County's crop production. Alexander MacDougall | Houlton Pioneer Times A large cloud of dust appears behind a potato harvester as it gathers the crops to send to the potato house. The dryness of the soil can be attributed to a months-long drought which has affected Aroostook County's crop production. Alexander MacDougall | Houlton Pioneer Times Maine activates state drought task force as abnormally dry conditions evident in 15 counties