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Slump block on Lake Sakakawea near Riverdale, North Dakota. Photo credit: Fred Anderson, NDGS Geologist
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A tonstein occurs near the middle of the 6.5-foot thick H bed above the Rhame bed silcrete, representing the contact of the Bullion Creek and Slope Formations. Photo credit: Levi Moxness, NDGS Geologist
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Near the Little Missouri River in Western North Dakota. Photo credit: Ed Murphy, State Geologist
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A burning coal seam in Billings County, ignited by the Buck Hill fire, emits smoke and is baking the overlying rock as evidenced by scattered clinker. The picture was taken in December 1988; five months after the seam began burning. Photo credit: Ed Murphy, State Geologist
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Landslide along River Road in NW Bismarck, North Dakota. Photo credit: Levi Moxness, NDGS Geologist
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Yellow-brown sandstone grades upwards into sandy mudstone of the lowermost Hell Creek Formation in western Bowman County, North Dakota. Photo credit: Levi Moxness, NDGS Geologist
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Theodore Roosevelt National Park North Unit. Photo credit: Ed Murphy, State Geologist
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The Rhame bed outcrops, east of Logging Camp Ranch in Slope County. Photo credit: Levi Moxness, NDGS Geologist
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Theodore Roosevelt National Park. Photo credit: Levi Moxness, NDGS Geologist
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View to the north of an outcrop of weakly‐bedded Sentinel Butte Formation sandstone in central McKenzie County. Photo credit: Levi Moxness, NDGS Geologist
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Photo credit: Levi Moxness, NDGS Geologist
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Photo credit: Levi Moxness, NDGS Geologist
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A drone photograph of a two-pad well site situated in the Little Missouri River badlands in
Dunn County. Everything to the right (north) of the pads to the base of the cliff face is comprised
of old landslides.
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Golden Valley Formation. Photo credit: Ed Murphy, State Geologist
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Concretions at the mouth of the Cannonball River. Photo credit: Ed Murphy, State Geologist
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Photo credit: Levi Moxness, NDGS Geologist
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Photo credit: Levi Moxness, NDGS Geologist
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During fieldwork, geologists often ascend/descend steep and sometimes treacherous ravines and outcrops. The NDGS drone (center) is used to scout these areas to ensure they are safe and passable.
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Camels Butte Member of the Golden Valley Formation. Photo credit: Ed Murphy, State Geologist
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Light gray to buff sandstones of the Colgate Member (Fox Hills Formation) exhibiting a distinct castellate weathering pattern in southwestern Bowman County, North Dakota. Photo credit: Levi Moxness, NDGS Geologist
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Butte in Adams County, North Dakota. Photo credit: Ed Murphy, State Geologist
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Photo credit: NDGS
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Photo credit: Levi Moxness, NDGS Geologist
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Pedestal Rock in the Killdeer Mountains, Dunn County. The photo was taken looking southeast from the Medicine Hole Plateau. Pedestal Rock was formed when a carbonate and sandstone block broke from South Killdeer Mountain's south slope. Photo credit: Ed Murphy, State Geologist
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NDGS geologist looking up at a Fox Hills outcrop east of Long Lake, near Moffit, North Dakota. Photo credit: Benjamin York, NDGS Geologist
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Landslide near Williston, North Dakota. Photo credit: Ed Murphy, State Geologist
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Photo credit: Levi Moxness, NDGS Geologist
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A.G. Leonard, NDGS State Geologist (1904-1932) and UND geology professor. Leonard worked on all aspects of the geology of North Dakota, but his primary focus in the field was on the lignite-bearing rocks in western North Dakota.
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Sand dune with surface grasses southeast of Lincoln, North Dakota. Photo credit: Fred Anderson, NDGS Geologist
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Photo credit: NDGS