Blue Mountain
Summit in Nelson County, North Dakota · on the USGS Pekin NW quadrangle
47.91856, -98.49178
Maps that show Blue Mountain
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Pekin NW, ND
USGS topo, 2024

Pekin, ND
USGS historical 15-minute topo (1930)

Pekin, ND
USGS historical 15-minute topo (1951)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-14 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).