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
11RA6 United States New York Limestone Buffalo dark gray, medium grain, compact, magnesian, Devonian
12LB6 United States New York Limestone Schoharie black, fine grain, compact, magnesian, Upper Silurian
8RA30 United States New York Sandstone Boiceville dark greenish-gray, fine grain, compact, Devonian
10RA10 United States New York Limestone Prescott gray, medium grain, compact, fossiliferous, magnesian, Lower Silurian
8LA30 United States New York Sandstone Lockport light gray, fine grain
9LA28 United States New York Sandstone Warsaw blue gray, fine grain, compact, argillaceous, Devonian
11RA7 United States New York Dolomite Rochester dark-drab, fine grain, compact, Devonian
12LB7 United States New York Limestone Le Roy dark gray, fine grain, compact, magnesian, Devonian
9LA29 United States New York Sandstone East Shore Otsego Lake dark bluish-gray, fine grain, compact, Devonian
7La26 United States New York Sandstone Oneonta blue gray, fine grain, compact, Devonian
6LB28 United States New York Sandstone Mt. Pleasant blue gray, fine grain, compact, Devonian
14RA7 United States New York Limestone Saratoga black, fine grain, compact, Lower Silurian
7La27 United States New York Sandstone Hallihan's Hill dark blue gray, fine grain, compact, Devonian
9LA30 United States New York Sandstone W. Liberty gray, medium grain, compact, Devonian
S2-131 United States New York Bluestone Downsville
9RA27 United States New York Sandstone Guilford Cntr. Chenango Co. dark-drab, fine grain, compact, Devonian
6LB29 United States New York Gneiss Hastings dark gray, white-banded, fine grain, biotite
9LA31 United States New York Argillite (Slate) Granville green and red, rough texture, roofing
10LB32 United States New York Sandstone Ithaca dark blue gray, fine grain, compact, Devonian
11LB3 United States New York Marble Pleasantville white, coarse grain, Archaen, magnesian, Snowflake Marble
9RA28 United States New York Sandstone Ulster Co. Snider Hollow dark blue gray, fine grain, compact, Devonian
10RB29 United States New York Sandstone Medina light purplish-pink, fine grain, porous, Upper Silurian
9RA29 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
10RB30 United States New York Argillite (Slate) Middle Granville purple, rough-texture, roofing, slate
7RB25 United States New York Sandstone Margarettville blue gray, medium grain, porous, Devonian
9RA30 United States New York Argillite (Slate) Hampton green, rough-texture, roofing, slate
11LA4 United States New York Limestone Union Springs black, fine grain, compact, magnesian, Devonian
12RA7 United States New York Limestone Crown Point nearly black, fine grain, compact, magnesian, Upper Silurian
7RB26 United States New York Sandstone Covert dark blue gray, fine grain, compact, calcareous, Devonian
12RB7 United States New York Limestone Indian Res. Onondaga Co. gray, medium grain, compact, fossiliferous, magnesian
13RB5 United States New York Limestone Kingston dark gray, medium grain, compact, magnesian, carboniferous
10LA7 United States New York Limestone Onondaga dark gray, medium grain, compact, fossiliferous, magnesian, Devonian
12RA8 United States New York Limestone Cobleskill black, fine grain, compact, magnesian, Devonian
12RB8 United States New York Limestone Springfield Center dark-drab, fine grain, compact, magnesian, Devonian
13RB6 United States New York Limestone Willsborough black, fine grain, compact, fossiliferous, magnesian, Lower Silurian
13LB5 United States New York Marble Lockport pinkish-gray, coarse grain, magnesian, fossiliferous, Upper Silurian
13LB6 United States New York Dolomite Lockport light gray, fine grain, compact, fossiliferous, Upper Silurian
S2-139 United States New York Marble Plattsburg gray, coarse-grain calcite marble, French Gray
12RQ United States New York Sandstone South Unadilla dark gray, fine grain, bluestone
8LB28 United States New York Sandstone Hulberton brownish-purple, fine grain, porous, Upper Silurian
S2-169 United States New York Marble Gouverneur dark-gray, coarse-grain, mg marble, Gouverneur No. 2 Dark
8RB28 United States New York Sandstone Broadhead's Bridge dark blue gray, fine grain, compact, Devonian
8LB29 United States New York Sandstone Reedsville dark blue gray, fine grain, compact, Devonian
11RB5 United States New York Limestone Howe's Cave black, fine grain, compact, magnesian, Upper Silurian
8RB29 United States New York Sandstone Albion brownish-purple, fine grain, compact, Upper Silurian
S2-140 United States New York Marble Onondaga dark-gray, coarse-grain calcite marble
7Lb26 United States New York Sandstone Woodstock dark blue gray, medium grain, compact, Devonian
9LB28 United States New York Sandstone East Shore Otsego Lake dark bluish-gray, fine grain, compact, Devonian
11RB6 United States New York Marble S. Glenn Falls black, fine grain, compact, magnesian, Lower Silurian
3r5 United States New York Marble Moriah cut from same block as 3L5, gray, green-spotted, coarse, verde-antique
7LB27 United States New York Sandstone Phoenicia dark gray, fine grain, compact, Devonian
8LB30 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
9Lb29 United States New York Sandstone Schenectady dark blue gray, fine grain, compact, Lower Silurian
13LA37 United States New York Limestone Cottonwood Sta. light gray, medium grain, somewhat porous
11RB7 United States New York Limestone Three Mile Bay gray, fine grain, compact, fossiliferous, magnesian, Lower Silurian
8RB30 United States New York Sandstone Broadhead's Bridge dark blue gray, fine grain, compact, Devonian
14LB6 United States New York Marble Tuckahoe white, coarse grain, Archaean, dolomite
6RB28 United States New York Sandstone Canisteo light gray, fine grain, compact, Devonian
21EE United States New York Sandstone Portageville bluish-gray, fine-grain, compact, Genesee Valley Bluestone
9LB30 United States New York Sandstone Trumansburg dark blue gray, fine grain, compact
14LB7 United States New York Marble Tuckahoe white, coarse grain, Archaean, dolomite
9RB26 United States New York Sandstone Huntersland blue gray, fine grain, compact, Devonian
14RB6 United States New York Limestone Amsterdam nearly black, fine grain, compact, magnesian, Lower Silurian
9LB31 United States New York Sandstone Watkins Glen blue gray, fine grain, compact, Devonian
14LB8 United States New York Limestone S. Glenn Falls nearly black, fine grain, compact, magnesian, Lower Silurian
9RB27 United States New York Sandstone Potsdam red and white banded, medium grain, compact, Lower Silurian
14RB7 United States New York Limestone Howe's Cave nearly black, fine grain, compact, magnesian, fossiliferous, Upper Silurian
9LB32 United States New York Quartzite Fort Ann buff, fine grain, compact
9RB28 United States New York Sandstone Pultney blue gray, fine grain, compact, Devonian
6RA28 United States New York Sandstone Belfast drab, medium grain, compact
8RA6 United States New York Limestone Sandy Hill dark gray, fine grain, compact, Lower Silurian
6LA28 United States New York Sandstone Olean gray, fine grain, compact, Devonian
8LA6 United States New York Limestone Louisville gray, medium grain, compact
9RB29 United States New York Sandstone Sawkill dark-blue gray, fine grain, compact, Devonian
6RA29 United States New York Sandstone Albion brownish-purple, fine grain, compact, Upper Silurian
6LA29 United States New York Sandstone High Woods dark blue gray, fine grain, compact, Devonian
9RB30 United States New York Sandstone Stony Hollow Ulster Co. dark blue, fine grain, compact, Devonian
13RA5 United States New York Limestone Howe's Cave black, fine grain, compact, magnesian, Upper Silurian
12LA7 United States New York Limestone Canajoharie dark gray, coarse grain, compact, magnesian, fossiliferous, Lower Silurian
13RA6 United States New York Marble Tuckahoe white, coarse grain, Archaean, dolomite
12RB30 United States New York Marble Chazy gray, pink-spotted, medium grain, compact, fossiliferous, Lower Silurian
13RB35 United States New York Limestone Williamsville gray, medium grain, compact, fossiliferous, Devonian
13LA6 United States New York Limestone Waterloo black, fine grain, compact, magnesian, Devonian
7RA26 United States New York Sandstone Camden gray, fine grain, compact, Upper Silurian
7RA27 United States New York Sandstone Albion purplish-brown, fine grain, compact, Upper Silurian
8RA28 United States New York Sandstone Guilford blue gray, fine grain, compact, Devonian
8LA28 United States New York Sandstone W. Hurley dark blue gray, fine grain, compact, Devonian
S2-9 United States New York Sandstone Malone pink, fine-grain, compact
S2-61 United States North Carolina Granite Mt. Airy Mt Airy Granite, veneer
5LB23 United States North Carolina Granite Davidson College gray, coarse grain, biotite
6LB23 United States North Carolina Gneiss Mooresville Red, yellow-mottled, fine grain
7LA22 United States North Carolina Granite Asheville light gray, fine grain, biotite
9LA26 United States North Carolina Sandstone Raleigh cut from the same block as No 6L48, brownish-gray, coarse grain, porous
S2-62 United States North Carolina Granite Mt. Airy Mt Airy Granite, veneer
6L48 United States North Carolina Sandstone Raleigh brownish-gray, coarse grain, porous
6LB24 United States North Carolina Granite Charlotte gray, coarse grain, biotite
6RA38 United States North Carolina Granite Gaston Co. gray, coarse grain, biotite
7LA23 United States North Carolina Granite Buckhorn Falls light gray, green-spotted, medium grain, biotite
6R48 United States North Carolina Sandstone Raleigh cut from same block as No 6L48, brownish-gray, coarse grain, porous
10LB27 United States North Carolina Granite Louisburg gray, pink-spotted, fine grain, biotite