Ellingson Brothers General Merchandise, of Highlanding, Minnesota placed an order on June 3, 1910 with the P. M. Mark Medicine Company for a variety of items, include Hoffman Drops, Carbolic Acid, Castor Oil, Japanese Oil and Insect Powder.
Dentist Dr. Carl Joseph (C. J.) Mittun, of Fosston, Minnesota, wrote a prescription for mosquito repellant, containing oil of citronella, oil of eucalytpus, menthol and alcohol, to be filled at Mark's Drug Store.