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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.

Africa
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

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Mississippi

Missouri

Montana

Nevada

New Jersey

New Mexico

New York

North Carolina

Ohio

Oklahoma

Oregon

Pennsylvania

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

North America
Oceania
South America
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