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Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

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Search by state, country, classification, source, wall number or description.

Wall Number Country State Classification Source Description
S2-30 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-45 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-17 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-31 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-46 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-18 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-32 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-19 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-33 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-34 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-13 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-20 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-35 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-16 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-21 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-36 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-22 United States Maryland Schist Potomac some with cleavage vertical, Varicolored chlorite, some with cleavage horizontal
S2-37 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S3-9 United States Virginia Schist Lynchburg green, coarse-grain actinolite schist, Virginia Greenstone
20EE United States Maryland Schist Potomac vari-colored chlorite schist, Stonyhurst
S2-23 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-38 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
8RA27 United States Maine Schist Knightsville dark gray, fine grain, compact, talcose
S2-24 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-39 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
12RA27 United States Florida Coquina St. Augustine cut from same block as 4LA19, light buff, coarse, highly porous, calcareous, shell-stone
12RA28 United States Florida Coquina St. Augustine cut from same block as 4LA19, light buff, coarse, highly porous, calcareous, shell-stone
12LA28 United States Florida Coquina St. Augustine cut from same block as 4LA19, light buff, coarse, highly porous, calcareous, shell-stone
12LA29 United States Florida Coquina St. Augustine cut from same block as 4LA19, light buff, coarse, highly porous, calcareous, shell-stone
4LA19 United States Florida Coquina St. Augustine light buff, coarse, highly porous, calcareous, shell-stone
4RA19 United States Florida Coquina St. Augustine cust from same block as 4LA19, light buff, coarse, highly porous, calcareous, shell-stone
13LA20 United States Iowa Coral Iowa City light gray, fine grain, compact, fossiliferous
3D United States Virginia Greenstone Lynchburg green, coarse grain, actinolite schist, Virginia Greenstone
2D United States Virginia Greenstone Lynchburg green, coarse grain, actinolite schist, Virginia Greenstone
1D United States Virginia Greenstone Lynchburg green, coarse grain, actinolite schist, Virginia Greenstone
5RA28 Austria Pitchstone Castleruth dark-brown, coarse grain
5LA26 Austria Pitchstone Castleruth dark gray, spotted with white, coarse grain
5LB34 United States Minnesota Gabbro Duluth dark gray, coarse grain, gabbro
S2-82 United States Wisconsin Gabbro Ashland black, medium-grain, olivine, Norite
5RB32 United States Colorado Diorite Monarch greenish-gray, fine grain
8Lb19 United States Pennsylvania Diorite Reading black and white-spotted, coarse grain, slightly porous
6RA32 United States Texas Diorite El Paso light greenish-gray, medium grain
9RA40 United States Wyoming Diorite Raw Hide Buttes nearly black, fine grain, compact
7RA40 United States Montana Diorite Helena gray, medium grain
6LA35 United States Minnesota Labradorite Beaver City light greenish, coarse grain, compact
9RA38 Spain tuff Alamazanon buff, medium grain, compact, cellular, calcareous
S2-100 United States Colorado Granodiorite Mountain Cross bluish-gray, fine-grain
S2-53 United States Colorado Granodiorite Mountain Cross bluish-gray, fine-grain
S2-3 United States Texas Shellstone Cedar Park lt-gray, coarse
S2-127 United States Texas Shellstone Cedar Park light-gray, coarse
S2-2 United States Texas Shellstone Cedar Park light-gray, coarse
S2-131 United States New York Bluestone Downsville