TY - SER ED - United States. ED - Harpers Ferry Center (U.S.). TI - Fort Union Trading Post National Historic Site, North Dakota/Montana PY - 2021///- CY - Harpers Ferry, WV PB - National Park Service, Harpers Ferry Center, Publications KW - National parks and reserves KW - North Dakota KW - Montana KW - Fort Union Trading Post National Historic Site (N.D. and Mont.) KW - Braille books KW - lcgft N1 - "FOUS."; "Braille transcription of Visitor Information Brochure." ER -