He later discovered that they were actually made by the mountain beaver, another rodent. When the post office was established in about 1886, Aschoff and two of his friends decided to name it "Marmot" on account of this error.
He discovered later that the items were actually made by the mountain beaver, another type of rodent. At the time the postal service was established around 1886, Aschoff and two friends chose the name "Marmot" because of an error in their identification.