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
9LB41 United States Indiana Sandstone Williamsport cream-colored, medium grain, porous, carboniferous
9RA29 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
9RA43 United States Idaho Sandstone Boise buff-colored, coarse grain, porous
9RB30 United States New York Sandstone Stony Hollow Ulster Co. dark blue, fine grain, compact, Devonian
S1-47 United States Tennessee Sandstone Crossville Red, fine-grain, compact, Crab Orchard Stone
S2-105 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
10EE United States Ohio Sandstone Amherst gray, med-grain, porous
10LA37 United States Kansas Sandstone Chanute buff, fine grain, friable, calcareous
10LB20 United States Ohio Sandstone Lancaster bright-yellow, coarse grain, porous, Lower carboniferous
10RA32 United States Kansas Sandstone Parsons buff, fine grain, porous
10RB31 United States Texas Sandstone Mormon Mills gray, medium grain, porous, carboniferous, calcareous
11Lb32 United States Utah Sandstone Red Butte light pink, fine grain, porous
11RB42 United States Washington Sandstone Bellingham gray, fine grain, compact, Chuckanut
4L9 United States Ohio Sandstone Berea light gray, fine grain, porous
4R7 Australia Sandstone New South Wales Cut from same block as 4L7, pinkish-buff, medium grain, porous
5LA1 United States Ohio Sandstone Mt. Gilead buff, fine grain, porous, Lower carboniferous
5RA12 United States Ohio Sandstone Euclid gray, fine grain, porous, Lower carboniferous
6La10 United States Pennsylvania Sandstone Stoneboro light brown, coarse grain, porous, carboniferous
6La4 United States Pennsylvania Sandstone Wampum buff, coarse grain, porous, carboniferous
6LB11 United States Pennsylvania Sandstone Sharon buff, coarse grain, porous, carboniferous
6RA10 United States Pennsylvania Sandstone Johnstown light gray, fine grain, compact, carboniferous
6RA4 United States Pennsylvania Sandstone Connellsville light gray, fine grain, porous, carboniferous
7Lb26 United States New York Sandstone Woodstock dark blue gray, medium grain, compact, Devonian
7LB40 United States New Jersey Sandstone Newark brownish-purple, fine grain, porous, Triassic
7RA28 United States Kentucky Sandstone Cloveport light brown, fine grain, porous, Lower carboniferous
7RA42 United States Michigan Sandstone Marquette reddish, fine grain, porous, Potsdam
7RB31 United States Colorado Sandstone Jefferson Co. light red, fine grain, compact
8LA29 United States New York Sandstone Steeny Kill dark blue gray, fine grain, compact, Devonian
8LA43 United States Montana Sandstone Columbus dark gray, fine grain, porous, cretaceous
8RA29 United States New York Sandstone Corning blue gray, fine grain, compact, calcareous, Devonian
8RA43 United States Montana Sandstone Columbus drab-gray?, fine grain, compact, cretaceous
8RB44 United States Michigan Sandstone Isle Royale reddish-brown, fine grain, porous, Potsdam
9LA26 United States North Carolina Sandstone Raleigh cut from the same block as No 6L48, brownish-gray, coarse grain, porous
9LA40 United States Illinois Sandstone Pinckneyville light brown, fine grain, porous, Lower carboniferous
9LB28 United States New York Sandstone East Shore Otsego Lake dark bluish-gray, fine grain, compact, Devonian
9LB42 United States Wisconsin Sandstone Grand Rapids light buff, fine grain, compact, Lower Silurian
9RA44 United States Iowa Sandstone Davenport pale-pink, fine grain, porous
9RB17 Unknown Sandstone
S1-48 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
S2-106 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
S2-120 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
S2-7 United States Ohio Sandstone McDermott gray, fine-grain, porous
10Lb36 United States Kansas Sandstone Pawnee gray, dark-spotted, medium grain, compact, calcareous
10RA33 United States Kansas Sandstone Neodesha buff, fine grain, friable, calcareous
10RB32 United States Colorado Sandstone Fort Collins light gray, fine grain, porous, calcareous
11La40 United States Tennessee Sandstone Sewanee light buff, medium grain, porous
11RB29 United States Virginia Sandstone Manassas dull-red, fine grain, porous, Trias
17WE United States Ohio Sandstone McDermott blue, fine-grain, porous
22EE United States Ohio Sandstone McDermott buff, fine-grain, porous
3EE United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
4R8 Australia Sandstone New South Wales Cut from the same block as 4L8, light buff, coarse grain, porous
5LA10 United States Ohio Sandstone Sunbury gray, fine grain, porous, Lower carboniferous
5LA4 United States Ohio Sandstone Norwalk gray, brown-banded, medium grain, porous, Lower carboniferous
5RA13 United States Ohio Sandstone Marietta gray, fine grain, porous, carboniferous
5RB3 United States Ohio Sandstone Bedford light buff, coarse grain, porous, Lower carboniferous
6La11 United States Pennsylvania Sandstone Scranton buff-banded, coarse grain, compact, Devonian
6LB12 United States Pennsylvania Sandstone Norristown reddish-brown, coarse, porous, Triassic
6RA11 United States Pennsylvania Sandstone Layton Station Fayette Co. light gray, medium grain, porous, carboniferous
7EE United States Ohio Sandstone McDermott buff, fine-grain, porous
7LB27 United States New York Sandstone Phoenicia dark gray, fine grain, compact, Devonian
7RA29 United States California Sandstone Angel Island gray, fine grain, porous
8LB30 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
8RA44 United States Michigan Sandstone L'Anse Red, brown and buff, coarse grain, porous, Potsdam
8RB30 United States New York Sandstone Broadhead's Bridge dark blue gray, fine grain, compact, Devonian
8RB45 United States Wisconsin Sandstone Packwaukee light buff, medium grain, porous, Lower Silurian
9LA27 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
9LA41 United States Illinois Sandstone Chester light gray, fine grain, porous, Lower carboniferous
9Lb29 United States New York Sandstone Schenectady dark blue gray, fine grain, compact, Lower Silurian
9LB43 United States Washington Sandstone Tenino gray, medium grain, porous
9RA45 Canada Sandstone Dorchester, New Brunswick olive, fine grain, porous, Sub-carboniferous
9RB18 United States Pennsylvania Sandstone Scottsdale brown-banded, fine grain, compact, carboniferous
9RB32 United States Missouri Sandstone Meadville buff, medium grain, porous, calcareous, carboniferous
S1-2 United States Ohio Sandstone McDermott gray, fine-grain, porous
S1-34 United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
S1-49 United States Tennessee Sandstone Crossville Red, fine-grain, compact, Crab Orchard Stone
S2-107 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
S2-121 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
10LA39 Mexico Sandstone Guanajuato State green, brown-banded, medium grain, compact, calcareous
10Lb37 United States West Virginia Sandstone Grafton light buff, coarse grain, porous, carboniferous
10RB48 United States Wisconsin Sandstone Ableman light buff, fine grain, porous, friable, Lower Silurian
4R9 United States Ohio Sandstone Berea light gray, fine grain, porous
5LA11 United States Ohio Sandstone Windham cream-colored, coarse grain, porous, carboniferous
5RA14 United States Ohio Sandstone Coshocton red and buff streaked, coarse grain, porous carboniferous
6LA12 United States Pennsylvania Sandstone Reading brownish-purple, medium grain, porous, Triassic
6LB13 United States Pennsylvania Sandstone Beaver Falls light gray, coarse grain, porous, carboniferous
6LB28 United States New York Sandstone Mt. Pleasant blue gray, fine grain, compact, Devonian
6LB42 United States New Jersey Sandstone Stockton light gray, rust-spotted, medium grain, compact, Triassic
6RA12 United States Pennsylvania Sandstone Lucesco gray, dark-streaked, medium grain, compact, carboniferous
6RB28 United States New York Sandstone Canisteo light gray, fine grain, compact, Devonian
7L20 United States Ohio Sandstone Glenmont buff, medium grain, Briar Hill
7LA39 United States New Jersey Sandstone Patterson brownish-purple, medium grain, porous, Triassic
7LB28 United States Kentucky Sandstone Taylor Co. gray, brown lines, fine grain, compact
7RA44 United States New Mexico Sandstone Las Vegas light gray, fine grain, porous
8LA30 United States New York Sandstone Lockport light gray, fine grain
8LA45 United States Washington Sandstone Olymphia dark gray, medium grain, compact
8LB31 United States Kentucky Sandstone Cloveport buff, fine grain, porous, Lower carboniferous
8Lb46 United States Washington Sandstone Pittsburgh light gray, medium grain, compact, micaceous
8RA30 United States New York Sandstone Boiceville dark greenish-gray, fine grain, compact, Devonian
8RA45 United States Washington Sandstone Bellingham gray, medium grain, compact, Chuckanut
8RB31 United States Kentucky Sandstone Blue Lick Mountain gray, fine grain, compact