Showing 1765 results
Archival description20 results with digital objects Show results with digital objects
Using fossils to match beds in a quarry, hill and canal cut
Using fossils to match beds in a quarry, hill and canal cut
Using fossils to match beds in a quarry, hill and canal cut
Using fossils to match beds in a quarry, hill and canal cut
U-shaped valley. Rocky Mountain National Park, Colorado
U-shaped valley. Rocky Mountain National Park, Colorado
U-shaped valley and cirque
U-shaped valley and cirque
Uppermost Jurassic and lowermost Cretaceous facies belts
Uppermost Jurassic and lowermost Cretaceous facies belts
Upper Silurian sedimentary rock facies, Arctic islands
Upper Silurian sedimentary rock facies, Arctic islands
Upper part of Whitemud with two coal seams, overlain by till
Upper part of Whitemud with two coal seams, overlain by till
Upper member of Whitemud Formation at base
Upper member of Whitemud Formation at base
Upper Devonian tectonic map
Upper Devonian tectonic map
Upper Cretaceous to early Tertiary tectonic map
Upper Cretaceous to early Tertiary tectonic map
Unglaciated plains area near Bellefourche, S.D.
Unglaciated plains area near Bellefourche, S.D.
Unglaciated part of Wood Mountains where no erratics found
Unglaciated part of Wood Mountains where no erratics found
Uncovering a mammoth tusk in preparation of a plaster block
Uncovering a mammoth tusk in preparation of a plaster block
Uncontrolled disintegration pattern with well-developed "doughtnut"
Uncontrolled disintegration pattern with well-developed "doughtnut"
Uncontrolled disintegration moraine - NW of Saskatoon
Uncontrolled disintegration moraine - NW of Saskatoon
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