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Engineering Laboratory

Materials and Structural Systems Division

Back to Stone Search

Stone: 13RA2

Stone Details

Country
United States
State
Illinois
Classification
Dolomite
Source
Lemont
Wall Number
13RA2
Centennial
26527/1 n
Commercial
Yes
Location
Front Face (South)
Description
light gray, fine grain, compact and Upper Silurian

Photo

Stone 13RA2 from the Stone Wall at NIST

Surround Photo

Stone Wall area surrounding Stone: 13RA2
Created February 22, 2018, Updated September 25, 2025
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