Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Stone description: Devonian

Wall Number Sort descending Country State Classification Source
10la10 United States Ohio Limestone Bloomville
10la12 United States Ohio Limestone Columbus
10LA7 United States New York Limestone Onondaga
10LB13 United States Iowa Limestone Marble Rock
10LB32 United States New York Sandstone Ithaca
10RA13 United States Ohio Dolomite White House
10RA15 United States Ohio Dolomite White House
10RB12 United States Iowa Limestone Iowa City
11La14 United States Iowa Limestone Charles City
11LA2 United States Michigan Dolomite Raisinville
11LA20 United States Iowa Limestone Bristow
11LA4 United States New York Limestone Union Springs
11RA10 United States Ohio Dolomite Milton Twp. Woods Co.
11RA16 United States Iowa Dolomite Osage Sta.
11RA5 United States Michigan Dolomite Sibley's Station
11RA6 United States New York Limestone Buffalo
11RA7 United States New York Dolomite Rochester
11RA8 United States Pennsylvania Limestone Cove Statioan Bedford Co.
12LA11 United States Ohio Dolomite Pt. Marblehead
12LA17 United States Iowa Dolomite La Porte
12LA20 United States Iowa Limestone Iowa City
12LB16 United States Iowa Dolomite Cedar Falls
12LB7 United States New York Limestone Le Roy
12RA17 United States Iowa Dolomite Garrison
12RA8 United States New York Limestone Cobleskill
12RB13 United States Ohio Dolomite Holmes Twp. Crawford C.
12RB17 United States Iowa Dolomite Garrison
12RB8 United States New York Limestone Springfield Center
13LA14 United States Iowa Dolomite La Porte
13LA19 United States Iowa Limestone Davenport
13LA6 United States New York Limestone Waterloo
13LB13 United States Iowa Limestone Mason City
13LB15 United States Iowa Dolomite Buffalo
13LB21 United States Iowa Limestone Independence
13LB9 United States Ohio Dolomite Sandusky
13ra10 United States Ohio Dolomite Bellefountaine
13RA12 United States Ohio Dolomite Kelley's Isl.
13RB14 United States Iowa Limestone Charles City
13RB35 United States New York Limestone Williamsville
14LA15 United States Iowa Dolomite Waterloo
14LA21 United States Iowa Limestone Marble Rock
14LA22 United States Iowa Limestone Davenport
14LB14 United States Iowa Dolomite Osage Sta.
14RA17 United States Iowa Limestone Waverly
14RA23 United States Iowa Limestone Mason City
14RB1 United States Indiana Dolomite Bluffton
14RB13 United States Ohio Dolomite Sandusky
5LA12 Scotland Sandstone Anan
5RB27 United States Maine Diabase Addison
6La11 United States Pennsylvania Sandstone Scranton
6La17 United States Pennsylvania Sandstone Skinner's Eddy
6LA18 United States Pennsylvania Sandstone Queens Run Clinton Co.
6LA28 United States New York Sandstone Olean
6LA29 United States New York Sandstone High Woods
6La7 United States Pennsylvania Sandstone Meshoppen
6LB1 United States Pennsylvania Sandstone Plains
6LB28 United States New York Sandstone Mt. Pleasant
6Lb5 United States Pennsylvania Sandstone Nicholson
6RA1 United States Pennsylvania Sandstone Mainesburgh
6RA6 United States Pennsylvania Sandstone Farrandsville
6RB28 United States New York Sandstone Canisteo
6RB8 United States Pennsylvania Sandstone Black Walnut
7La26 United States New York Sandstone Oneonta
7La27 United States New York Sandstone Hallihan's Hill
7Lb26 United States New York Sandstone Woodstock
7LB27 United States New York Sandstone Phoenicia
7RA18 United States Pennsylvania Sandstone Leboeuf
7RB25 United States New York Sandstone Margarettville
7RB26 United States New York Sandstone Covert
8LA28 United States New York Sandstone W. Hurley
8LA29 United States New York Sandstone Steeny Kill
8La40 United States West Virginia Sandstone Parkersburg
8LB29 United States New York Sandstone Reedsville
8LB30 United States New York Sandstone Phoenicia
8LB36 Scotland Sandstone Thurso
8Lb40 United States West Virginia Sandstone Rowlesburgh
8RA28 United States New York Sandstone Guilford
8RA29 United States New York Sandstone Corning
8RA30 United States New York Sandstone Boiceville
8RB28 United States New York Sandstone Broadhead's Bridge
8RB30 United States New York Sandstone Broadhead's Bridge
8RB36 Scotland Sandstone Nairn
9LA20 United States Pennsylvania Sandstone Pond Eddy
9LA28 United States New York Sandstone Warsaw
9LA29 United States New York Sandstone East Shore Otsego Lake
9LA30 United States New York Sandstone W. Liberty
9LB10 United States Iowa Limestone Bristow
9LB28 United States New York Sandstone East Shore Otsego Lake
9LB31 United States New York Sandstone Watkins Glen
9RA12 United States Iowa Limestone Iowa City
9RA27 United States New York Sandstone Guilford Cntr. Chenango Co.
9RA28 United States New York Sandstone Ulster Co. Snider Hollow
9RA29 United States New York Sandstone Phoenicia
9RB10 United States Iowa Limestone Davenport
9RB12 United States Iowa Limestone Independence
9RB19 United States Pennsylvania Sandstone Erie
9RB26 United States New York Sandstone Huntersland
9RB28 United States New York Sandstone Pultney
9RB29 United States New York Sandstone Sawkill
9RB30 United States New York Sandstone Stony Hollow Ulster Co.