U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

Share

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

Wall Number Country State Classification Source Description
12LA31 United States Illinois Limestone Joliet light gray, fine grain, compact, Lower Silurian
14RA4 United States Illinois Dolomite Sag's Bridge nearly white, fine grain, compact, Upper Silurian
12LA32 United States Illinois Limestone Jonesborough light gray, medium grain, compact, oolitic
11RA3 United States Illinois Dolomite Lemont light gray, fine grain, compact, Upper Silurian
12LB3 United States Illinois Dolomite Lemont light drab, fine grain, compact, Upper Silurian
13RA2 United States Illinois Dolomite Lemont light gray, fine grain, compact, Upper Silurian
8RA10 United States Illinois Limestone Chester light gray, finely fossiliferous, compact, Lower carboniferous, medium grain
13LA2 United States Illinois Dolomite Lemont light gray, fine grain, compact, Upper Silurian
14RB3 United States Illinois Dolomite Chicago gray, black-spotted, coarse grain, compact, bituminous
8RA11 United States Illinois Limestone Rockport light gray, medium grain, compact, fossiliferousbearing
8La11 United States Illinois Limestone Belknap gray, medium-gr, compact
8RA12 United States Illinois Limestone Jonesborough light gray, medium grain, compact, oolitic
8LA12 United States Illinois Limestone Kinderhook light gray, medium grain, compact, semicrystalline, carboniferous
13RB38 United States Illinois Limestone Sagetown light gray, fine grain, compact
14LA2 United States Illinois Dolomite Aurora light gray, fine grain, compact, Upper Silurian
12RB34 United States Illinois Limestone Belknap greenish-gray, fine grain, compact
13RB39 United States Illinois Limestone Columbia light gray, fine grain, porous, fossiliferous-bearing, Lower carboniferous
9LA40 United States Illinois Sandstone Pinckneyville light brown, fine grain, porous, Lower carboniferous
9LA41 United States Illinois Sandstone Chester light gray, fine grain, porous, Lower carboniferous
13RB40 United States Illinois Limestone Chester gray, dark-streaks, medium grain, compact, fossiliferous, Lower carboniferous
14RA2 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
9LA42 United States Illinois Sandstone Chester yellowish-brown, fine grain, porous, Lower carboniferous
9RA41 United States Illinois Sandstone Carbondale light brown, fine grain, porous
12RA3 United States Illinois Dolomite Chicago light gray, fine grain, compact, Upper Silurian
9LA43 United States Illinois Sandstone Carbondale
9RA42 United States Illinois Sandstone Xenia light gray, fine grain, porous, Coal Measures
12RA30 United States Illinois Limestone Joliet cut from same block as 12LA31, light gray, fine grain, compact, Lower Silurian
18EE United States Indiana Limestone Bedford buff, medium-grain, oolitic, Grade C Buff
31WE United States Indiana Limestone Bloomington gray, medium-grain, oolitic, Standard Gray
14LB1 United States Indiana Dolomite Montpelier light gray, fine grain, compact, Niagara
S2-84 United States Indiana Limestone Bedford buff, medium-grain, oolitic
12RA32 United States Indiana Limestone Salem light gray, medium grain, porous, Lower carboniferous, oolitic
14RB1 United States Indiana Dolomite Bluffton gray, fine grain, compact, Devonian
S2-85 United States Indiana Limestone Bedford buff, med-grain, oolitic
33WE United States Indiana Limestone Bedford buff, medium-grain, oolitic
12RA33 United States Indiana Limestone Spencer light gray, fine grain, compact, Lower carboniferous
12RA34 United States Indiana Limestone Oakalla light gray, fine grain, compact, fossiliferous, Lower carboniferous
4LB12 United States Indiana Limestone Salem light gray, medium grain, porous, Lower carboniferous, oolitic
12RA35 United States Indiana Limestone Corydon nearly white, fine grain, compact, oolitic
S1-6 United States Indiana Limestone Bedford light-buff, Grade B, oolitic
14RB12 United States Indiana Limestone Oakdale light gray, fine grain, compact, Niagara
S1-7 United States Indiana Limestone Bedford light-buff, Grade B, oolitic
4RB12 United States Indiana Limestone Salem light gray, medium grain, porous, Lower carboniferous, oolitic
S1-8 United States Indiana Limestone Bedford gray, oolitic
11C United States Indiana Limestone Lawrence Co. gray, medium grain, porous, oolitic, Standard Gray
S1-9 United States Indiana Limestone Bedford gray, oolitic
12RA1 United States Indiana Limestone Bedford light gray, fine grain, porous, magnesian, oolitic, Lower carboniferous
9RB39 United States Indiana Sandstone Paoli light gray, fine grain, porous, Lower carboniferous
11La1 United States Indiana Dolomite St. Paul light gray, fine grain, compact, Niagara
S2-128 United States Indiana Limestone Bedford gray, medium-grain, oolitic
9LB40 United States Indiana Sandstone French Lick Twp. nearly white, fine grain, porous, laminated, Lower carboniferous
9LB41 United States Indiana Sandstone Williamsport cream-colored, medium grain, porous, carboniferous
13C United States Indiana Limestone Owens Co. buff, coarse, cellular, oolitic, Old Gothic
9RB40 United States Indiana Sandstone Attica light gray, fine grain, porous
13EE United States Indiana Limestone Bedford buff, medium-grain, oolitic, Grade A Buff
20WE United States Indiana Limestone Bedford buff, medium-grain, oolitic
S2-130 United States Indiana Limestone Bedford gray, medium-grain, oolitic
12RB1 United States Indiana Dolomite Decatur drab, fine grain, compact, Upper Silurian
14C United States Indiana Limestone Bedford gray, coarse, porous, oolitic, Grade B
14EE United States Indiana Limestone Bedford gray, medium-grain, oolitic
21WE United States Indiana Limestone Bedford buff, medium-grain, oolitic
S2-4 United States Indiana Limestone Bedford gray, medium-grain, oolitic
14LA1 United States Indiana Dolomite Logansport light drab, fine grain, compact, Niagara
22WE United States Indiana Limestone Bedford buff, medium-grain, oolitic
11LB1 United States Indiana Dolomite Longwood yellowish, mottled, fine grain, compact, cellular
6C United States Indiana Limestone ? gray, medium grain, porous, oolitic, Select Gray
S3-1 United States Indiana Limestone Bedford gray, medium grain, oolitic, Grade B
14RA1 United States Indiana Dolomite Anderson drab, fine grain, compact, Niagara
5C United States Indiana Limestone Lawrence Co. gray and buff, medium grain, porous, oolitic, variegated
29EE United States Indiana Limestone Bedford buff, medium-grain, oolitic, Grade A
24WE United States Indiana Limestone Bedford gray, medium-grain, oolitic
8C United States Indiana Limestone Bloomington buff, medium grain, porous, oolitic, Standard Buff
29WE United States Indiana Limestone Bloomington gray, medium-grain, oolitic, Standard Gray
12LA34 United States Indiana Limestone Corydon nearly white, fine grain, compact, oolitic
S3-2 United States Indiana Limestone Bedford gray, medium grain, oolitic
15EE United States Indiana Limestone Bedford gray, medium-grain, oolitic
12LA35 United States Indiana Limestone Spencer light gray, medium grain, porous, Lower carboniferous, bituminous
12C United States Indiana Limestone Owens Co. buff, medium grain, cellular oolitic, Rustic Buff
10RB14 United States Indiana Limestone Stinesville light gray, medium grain, porous, fossiliferous-bearing, bituminous
12EE United States Indiana Limestone Bedford gray, medium-grain, oolitic
S1-10 United States Indiana Limestone Bedford gray, oolitic
S3-5 United States Indiana Limestone Bedford buff, medium-grain, oolitic, Grade A
10C United States Indiana Limestone Bloomington gray, medium-grain, porous, oolitic, Select Gray
9LA38 United States Indiana Sandstone Cannelton light brown, fine grain, porous
9LA39 United States Indiana Sandstone French Lick Twp. light gray, fine grain, porous, Lower carboniferous
12LA1 United States Indiana Dolomite Greensburgh light gray, fine grain, compact, Upper Silurian
16EE United States Indiana Limestone Bedford gray, medium-grain, oolitic
8RA13 United States Indiana Limestone Bedford light gray, medium grain, compact, oolitic, Lower carboniferous
12LB35 United States Indiana Limestone Bedford light gray, fine grain, porous, oolitic
16WE United States Indiana Limestone Bedford gray, medium-grain, oolitic
8LA13 United States Indiana Limestone Fort Ritner light gray, medium grain, compact, Lower carboniferous, oolitic
S3-8 United States Indiana Limestone Bedford gray, medium-gray, oolitic
8RA14 United States Indiana Limestone Avoca light gray, fine grain, compact, oolitic
12LB36 United States Indiana Limestone Salem dark, fine grain, compact, Lower carboniferous
28WE United States Indiana Limestone Bedford gray, medium-grain, oolitic
7C United States Indiana Limestone Bloomington gray and buff, medium grain, porous, oolitic, variegated
8LA14 United States Indiana Limestone Kokomo drab, fine grain, compact, bituminous
8RA15 United States Indiana Limestone Putnamville gray, fine grain, compact, Lower carboniferous, siliceous
8LA15 United States Indiana Limestone Greenscastle light gray, medium grain, compact, crystalline, Lower carboniferous
12RB36 United States Indiana Limestone Bedford light gray, medium grain, compact, oolitic