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U.S. Geological Survey monitoring milestones—Chagrin River at Willoughby, OH (04209000)

Claire E. Bunch
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Abstract

The Chagrin River at Willoughby, OH (04209000), streamgage is the 1,000th U.S. Geological Survey (USGS) streamgage to reach Centennial status. Centennial Streamgages are USGS streamgages that have been in operation for 100 years or more. Collecting water data since 1925, it celebrated its 100th birthday on August 1, 2025.

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90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 41.62829118594672° to 41.63183038434812° latitude; -81.40271134368446° to -81.39884786935615° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Claire E. Bunch. 2025-08-28. U.S. Geological Survey monitoring milestones—Chagrin River at Willoughby, OH (04209000). https://doi.org/10.3133/gip261

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