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Dendrochronology is practiced all over the world. Thankfully, this page is ever-growing as more & more tree-ring labs are established throughout the globe.

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*If you do not see your lab or another you know of on this list, please reach out so it can be added. When it comes to tree-rings, the more the merrier!

R code for map graciously volunteered by Dr. William Hammond of University of Florida.

Asia

Europe
Tree-Ring Labs

Austria

Belgium

Bulgaria

Czech Republic

Denmark

Finland

France

Germany

Ireland

  • University College Dublin

Italy

Netherlands

Norway

Poland

Portugal

Romania

Russia

Slovakia

Slovenia

Spain

Sweden

Switzerland

Turkey

United Kingdom (UK)

Europe

North America
Tree-Ring Labs

Canada

Alberta

British Colombia

Ontario

Quebec

Saskatchewan

Mexico

United States (USA)

 

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Florida

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Idaho

Illinois

Iowa

  • University of Iowa | ECH2O Lab

Indiana

Kentucky

Maine

Maryland

Michigan

Minnesota

​​

Mississippi

Missouri

Montana

Nevada

New Jersey

New Mexico

New York

North Carolina

Ohio

Oklahoma

Oregon

Pennsylvania

South Carolina​​

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

North America
Oceania
South America
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