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Engineering Laboratory

Materials and Structural Systems Division

Back to Stone Search

Stone: 7LB41

Stone Details

Country
United States
State
Montana
Classification
Granite
Source
Lewis & Clark Co.
Wall Number
7LB41
Centennial
2708?
Commercial
No
Location
Front Face (South)
Description
gray, medium grain, Porphyritic and biotite

Photo

Stone 7LB41 from the Stone Wall at NIST

Archive Photo

Archive photo of Stone: 7LB41

Surround Photo

Stone Wall area surrounding Stone: 7LB41
Created February 22, 2018, Updated September 25, 2025
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