Black Hammer Hill
Summit in Wells County, North Dakota · on the USGS Black Hammer Hill quadrangle
47.82785, -99.39835
Maps that show Black Hammer Hill
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Black Hammer Hill, ND
USGS topo, 2024
Flora, ND
USGS historical 15-minute topo (1932)
Flora, 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).