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Engineering Laboratory

Materials and Structural Systems Division

Back to Stone Search

Stone: 9RA9

Stone Details

Country
United States
State
Iowa
Classification
Limestone
Source
Tracey Station, Marion Co.
Wall Number
9RA9
Centennial
25464
Commercial
Yes
Location
Front Face (South)
Description
light gray, fine grain, porous, fossiliferous and Lower carboniferous

Photo

Stone 9RA9 from the Stone Wall at NIST

Archive Photo

Archive photo of Stone: 9RA9

Surround Photo

Stone Wall area surrounding Stone: 9RA9
Created February 22, 2018, Updated September 25, 2025
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