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Cet album fait partie des albums
Cet album photos contient les sous-albums suivants :
NPS theodore-roosevelt-geologic-map-south.jpg - RKBot
NPS theodore-roosevelt-geologic-map-north.jpg - RKBot
Castellate weathering (Sentinel Butte Formation, Upper Paleocene; Little Missouri Badlands, North Unit of Roosevelt National Park, western North Dakota, USA).jpg - Ser Amantio di Nicolao
Big Blue Bentonite (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, Roosevelt National Park, Little Missouri Badlands, North Dakota, USA) 1.jpg - Ser Amantio di Nicolao
Big Blue Bentonite (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, Roosevelt National Park, Little Missouri Badlands, North Dakota, USA) 3.jpg - Ser Amantio di Nicolao
Big Blue Bentonite (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, Roosevelt National Park, Little Missouri Badlands, North Dakota, USA) 4.jpg - Ser Amantio di Nicolao
Rainy Butte Flint (Sentinel Butte Formation, Upper Paleocene; North Dakota, USA) 4.jpg - Ser Amantio di Nicolao
Clinker bed from naturally-burned out lignite coal horizon (Sentinel Butte Formation, Upper Paleocene; Coal Vein Trail, South Unit of Roosevelt National Park, western North Dakota, USA).jpg - Ser Amantio di Nicolao
Concretion (Sentinel Butte Formation, Paleocene; Painted Canyon, Little Missouri Badlands, North Dakota, USA) 4.jpg - Ser Amantio di Nicolao
Burrow in lignite coal (Sentinel Butte Formation, Paleocene; Painted Canyon, Little Missouri Badlands, North Dakota, USA) 2.jpg - Ser Amantio di Nicolao
Sentinel Butte Formation (Paleocene; Painted Canyon, Little Missouri Badlands, North Dakota, USA) 52.jpg - Ser Amantio di Nicolao
Sentinel Butte Formation (Paleocene; Painted Canyon, Little Missouri Badlands, North Dakota, USA) 78.jpg - Ser Amantio di Nicolao
Sentinel Butte Formation (Paleocene; Painted Canyon, Little Missouri Badlands, North Dakota, USA) 103.jpg - Ser Amantio di Nicolao
Castellate weathering & rill weathering (Sentinel Butte Formation, Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 2.jpg - Ser Amantio di Nicolao
Castellate weathering & rill weathering (Sentinel Butte Formation, Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 3.jpg - Ser Amantio di Nicolao
Castellate weathering & rill weathering (Sentinel Butte Formation, Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 4.jpg - Ser Amantio di Nicolao
"Log" concretion (Sentinel Butte Formation, Upper Paleocene; Little Missouri Badlands, North Dakota, USA) 1.jpg - Ser Amantio di Nicolao
Land subsidence from 1951-1977 lignite coal bed fire (Coal Vein Trail, Little Missouri Badlands, North Dakota, USA) 3.jpg - Ser Amantio di Nicolao