Nebraska

 

Geological State Symbols Across America           Geology of the National Parks Through Pictures


Nebraska State Geological Symbols
Type
Symbol
Year Established
State Rock
Prairie Agate
1967
State Gemstone
Blue Chalcedony
1967
State Fossil
Mammoth
1967

 

State Rock: Prairie Agate

 


State Gemstone: Blue Chalcedony

 


State Fossil: Mammoth


 

References

https://statesymbolsusa.org/states/united-states/nebraska


Geology of Nebraska's National Parks

Through Pictures

(at least the one's I have been to)