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: Lower Silurian

Wall Number Country State Classification Sort descending Source
12RB5 United States Tennessee Limestone Murfreesborough
14LA9 United States Pennsylvania Limestone Spruce Creek Huntingdon Co.
8RA4 United States Tennessee Limestone Nolensville Pike
13LB32 United States Minnesota Limestone Canon City
11RB7 United States New York Limestone Three Mile Bay
7RA13 United States Pennsylvania Limestone Harrisburg
8RA6 United States New York Limestone Sandy Hill
10RA10 United States New York Limestone Prescott
13LB39 United States Pennsylvania Limestone Paxton Station Dauphin Co.
4Lb11 United States Tennessee Limestone Knoxville
7RA15 United States Pennsylvania Limestone Lebanon
8RB16 United States Wisconsin Limestone Madison
12LA31 United States Illinois Limestone Joliet
12RA30 United States Illinois Limestone Joliet
13LA27 United States Tennessee Limestone Nashville
14LB28 United States Tennessee Limestone Davidson Co.
7RA16 United States Pennsylvania Limestone Wernersville
8RB17 United States Pennsylvania Limestone Mertztown
9RA16 United States Minnesota Limestone St. Paul
12RA5 United States Tennessee Limestone Knoxville
14LB38 United States Pennsylvania Limestone Palmyra
12LA7 United States New York Limestone Canajoharie
13RB36 United States Pennsylvania Limestone N. Annville
14RB47 United States Kentucky Limestone Bloomfield
13RB37 United States Pennsylvania Limestone Myerstown
14RB6 United States New York Limestone Amsterdam
11RA28 United States Tennessee Limestone Nashville
13RB6 United States New York Limestone Willsborough
14LB8 United States New York Limestone S. Glenn Falls
13RA37 United States Pennsylvania Limestone Richland Station Lebanon Co.
13RB8 United States Pennsylvania Limestone Morrell
14LB9 United States Pennsylvania Limestone Flourtown
12RB24 United States Tennessee Limestone Lebanon Pike
7La12 United States Pennsylvania Limestone Hummelstown
8LB17 United States Pennsylvania Limestone Richland Station Lebanon Co.
13LB16 United States Iowa Limestone Decorah
14RA27 United States Tennessee Limestone Nashville
7La13 United States Pennsylvania Limestone East Conshohocken
7La14 United States Pennsylvania Limestone Wernersville
11La25 United States Tennessee Limestone Rogersville
12lb39 United States Alabama Limestone Calera
7La15 United States Pennsylvania Limestone Lebanon
14RA7 United States New York Limestone Saratoga
7La16 United States Pennsylvania Limestone Lebanon
10Lb46 United States Wisconsin Sandstone Mauston
7LA44 United States Michigan Sandstone Marquette
10Lb47 United States Wisconsin Sandstone Mauston
9LB42 United States Wisconsin Sandstone Grand Rapids
7RA30 United States Texas Sandstone Burnet
8RB32 United States Texas Sandstone Back Bone Valley
7RA32 United States Minnesota Sandstone Dresback
8RB34 United States Minnesota Sandstone Dakota
9RA33 United States Minnesota Sandstone Jordan
7RB42 United States Michigan Sandstone Marquette
8LA34 United States Minnesota Sandstone Fond Du Lac
8RB45 United States Wisconsin Sandstone Packwaukee
10RB48 United States Wisconsin Sandstone Ableman
6RA2 United States Pennsylvania Sandstone Columbia
9RB27 United States New York Sandstone Potsdam
8LB34 United States Minnesota Sandstone Mendota
9RB41 United States Wisconsin Sandstone Ableman
8LB42 United States New Jersey Sandstone Quarryville
9Lb29 United States New York Sandstone Schenectady
11LA7 United States Pennsylvania Marble Cedar Hollow Lime Co.
13LB3 United States Tennessee Marble Calhoun
13RB18 United States Vermont Marble W. Rutland
4La18 United States Vermont Marble Southerland Falls
9Lb3 United States Tennessee Marble Mooresburgh
11LB16 United States Vermont Marble W. Rutland
11RB6 United States New York Marble S. Glenn Falls
12RA10 United States Pennsylvania Marble Wrightsville
13RB19 United States Vermont Marble Center Rutland
14LB10 United States Pennsylvania Marble York
4LA20 United States Vermont Marble Center Rutland
7RA12 United States Georgia Marble Tate
8RA5 United States Tennessee Marble Knoxville
10Lb9 United States Vermont Marble W. Rutland
11LB18 United States Vermont Marble W. Rutland
12RA2 United States Vermont Marble Rutland
13LA17 United States Vermont Marble Rutland
13LB33 United States Massachusetts Marble Alford
13RB20 United States Vermont Marble W. Rutland
14LB18 United States Vermont Marble Dorset
4LA21 United States Vermont Marble Center Rutland
9Lb7 United States Vermont Marble Southerland Falls
11LB19 United States Vermont Marble W. Rutland
12La19 United States Vermont Marble Center Rutland
12RA20 United States Vermont Marble Center Rutland
13LA18 United States Vermont Marble Rutland
13RB21 United States Vermont Marble Center Rutland
14LB19 United States Vermont Marble Southerland Falls
14RB19 United States Vermont Marble Pittsford
9Lb8 United States Vermont Marble Southerland Falls
13RB28 United States Tennessee Marble Knoxville
14RB2 United States Vermont Marble Pittsford
4RA16 United States Vermont Marble W. Rutland
10RA17 United States Vermont Marble Southerland Falls
12LA5 United States Tennessee Marble Cleveland
13LA28 United States Tennessee Marble Knoxville
13Lb8 United States Pennsylvania Marble Lancaster