Skip to main content
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.

Stone description: compact

Wall Number Country Sort descending State Classification Source
11LB25 Italy Sandstone Leghorn
9RA32 Italy Sandstone Leghorn
5RA37 Mexico Andesite Hildalgo State
10RA30 Mexico Sandstone Guanajuato State
6RA37 Mexico Tuff Zacatecas State
10LA39 Mexico Sandstone Guanajuato State
10LA40 Mexico Tuff Zacatecas State
10LA41 Mexico Tuff Zacatecas State
6LB38 Mexico Tuff Morelos State
8RA3 Portugal Limestone Janianes, Coimbra
14LA44 Portugal Limestone Serra de Boa Viagem, Coimbra
14LA45 Portugal Limestone Ega, Coimbra
14LA46 Portugal Limestone Janianes, Coimbra
14LA47 Portugal Limestone Ilhastro, Coimbra
9RB1 Portugal Limestone Nazareth, Leiria
7RA1 Portugal Limestone Covoes, Coimbra
8RB3 Portugal Limestone Lombas, Leiria
10LB2 Portugal Limestone Alvito, Coimbra
11LA36 Portugal Sandstone St. Miguel, Coimbra
9RB42 Portugal Sandstone St. Miguel, Coimbra
9LA1 Portugal Limestone Nazareth, Leiria
7La2 Portugal Limestone Porto Barrao, Coimbra
8RA2 Portugal Limestone Freguesias, Coimbra
5LA12 Scotland Sandstone Anan
14RB34 Spain Limestone Saragossa Prov.
14RB35 Spain Limestone Calatayud, Saragossa
10RB17 Spain Limestone Ricla, Saragossa
9RA37 Spain Sandstone Murcia
9RA38 Spain tuff Alamazanon
13LA35 Spain Limestone Ricla, Saragossa
14LB35 Spain Limestone Morata, Saragossa
9LA14 Spain Limestone Murcia, Murcia
9RA14 Spain Limestone Saragossa Prov.
9LA16 United States Minnesota Limestone Minneapolis
S1-40 United States Pennsylvania Sandstone Wyoming
10RA23 United States Kansas Limestone Eldorado
11RB10 United States Kansas Dolomite Marysville
12RA21 United States Iowa Limestone Marshalltown
13LB14 United States Iowa Dolomite Delphi
14LA20 United States Iowa Limestone Mt. Pleasant
14RB3 United States Illinois Dolomite Chicago
6RA10 United States Pennsylvania Sandstone Johnstown
7RB35 United States Massachusetts Conglomerate Dorchester
8RA29 United States New York Sandstone Corning
9RA16 United States Minnesota Limestone St. Paul
11LB15 United States Missouri Dolomite Sedalia
12LA32 United States Illinois Limestone Jonesborough
12RB4 United States Illinois Limestone Breese
13RA45 United States Kentucky Limestone Anchorage
14LB8 United States New York Limestone S. Glenn Falls
9La17 United States Pennsylvania Sandstone Schickshinny Luzerne Co.
S1-41 United States Pennsylvania Sandstone Wyoming
11RB12 United States Missouri Dolomite Marshfield
12RA23 United States Tennessee Limestone Nashville
13LB15 United States Iowa Dolomite Buffalo
14LA21 United States Iowa Limestone Marble Rock
6RA12 United States Pennsylvania Sandstone Lucesco
7RB37 United States Nevada Andesite Virginia City
9RA27 United States New York Sandstone Guilford Cntr. Chenango Co.
11LB20 United States Iowa Limestone Iowa Falls
12LA33 United States North Carolina Limestone Rock Point
12RB5 United States Tennessee Limestone Murfreesborough
13RA46 United States Kentucky Limestone Trenton
14LB9 United States Pennsylvania Limestone Flourtown
5RA8 United States Ohio Sandstone Greenfield
7La30 United States Texas Sandstone Pecos
9LA20 United States Pennsylvania Sandstone Pond Eddy
S1-42 United States Pennsylvania Sandstone Wyoming
10Ra48 United States Tennessee Gneiss Wolf Creek Cocke Co.
11RB13 United States Missouri Dolomite Dutzrow
12RA3 United States Illinois Dolomite Chicago
13LB16 United States Iowa Limestone Decorah
14LA22 United States Iowa Limestone Davenport
6RA13 United States Pennsylvania Sandstone Goldsboro
7RB43 United States Wisconsin Quartzite Stevens Point
8RA30 United States New York Sandstone Boiceville
9RA28 United States New York Sandstone Ulster Co. Snider Hollow
10la10 United States Ohio Limestone Bloomville
11LB21 United States Missouri Limestone Paris
12LA34 United States Indiana Limestone Corydon
12RB6 United States Wisconsin Dolomite Manitowoc
13RA5 United States New York Limestone Howe's Cave
14RA1 United States Indiana Dolomite Anderson
5RB26 United States Maryland Conglomerate Cumberland
7LA37 United States Maryland Serpentine Deer Creek
9LA28 United States New York Sandstone Warsaw
S1-43 United States Tennessee Sandstone Crossville
10RA9 United States Wisconsin Dolomite Byron
11RB14 United States Missouri Dolomite Hermann
12RA30 United States Illinois Limestone Joliet
13LB2 United States Illinois Dolomite Lemont
14LA3 United States Illinois Dolomite Joilet
14RB40 United States Ohio Limestone Piqua
6RA17 United States Pennsylvania Sandstone Greensburgh
8La11 United States Illinois Limestone Belknap
8RA31 United States Kentucky Sandstone Pineville
9RA29 United States New York Sandstone Phoenicia
10la12 United States Ohio Limestone Columbus
12La36 United States Kentucky Limestone Bloomfield
12RB7 United States New York Limestone Indian Res. Onondaga Co.