CFR /  Title 16  /  Part 301  /  Sec. 301.15 Designation of section producing domestic furs permitted.

In the case of furs produced in the United States the name of the section or area producing the furs used in the fur product may be set out in connection with the name of the animal; as for example: Dyed Fur SealFur origin: Alaska

or Dyed MuskratFur origin: Minnesota