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Data Sources
Topo
Ecoregions
Public Lands
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BASEMAPS
Default Weather
Temperature
Smoke
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WEATHER
Alluvium and Colluvium (WYQa;0)
Geologic Formation
in
UT
,
WY
,
ID
,
MT
,
SD
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Lithology
Clay
Sand
Silt
Geologic Age
Pleistocene – Holocene (2.58 Ma ago – 2020)
Geologic Unit Label
Qa
Clay, silt, sand, and gravel in flood plains, fans, terraces, and slopes.
—
USGS
Fossils
Chordate Fossil
Chordata (phylum),
“Chordates”
16
Observations
Copecion davisi
SPECIES
11
Observations
Sifrhippus
GENUS
10
Observations
Unionites
GENUS
9
Observations
Ectocion parvus
SPECIES
9
Observations
See All
Taxonomy
Geographic Places
307
Geological Feature
46
Geologic Formation
Classified As
Geologic Formation
Alluvium and Colluvium (WYQa;0)
Alluvium and Colluvium (WYQa;0)
Alluvium and Colluvium (WYQa;0)
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