Darrel Martin and Derek Herren at the University of Nebraska warn that well discharge is also experienced in the Great Plains, "but we do not have specific data such as from Arkansas," they say.
Darrel Martin ແລະ Derek Herren ຢູ່ມະຫາວິທະຍາໄລ Nebraska ເຕືອນວ່າອາການໄຫຼວຽນດີຍັງມີປະສົບການໃນເຂດທົ່ງພຽງທີ່ດີ, "ແຕ່ພວກເຮົາບໍ່ມີຂໍ້ມູນສະເພາະເຊັ່ນຈາກ Arkansas,."