horizon: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Iowa State University Digital Press - Introduction to Soil Science - Soil horizons. | Feb 21, 2025 | ||
| Add new Web site: Plant and Soil Sciences eLibrary - Soil Profiles and Horizons. | Dec 24, 2024 | ||
| Add new Web site: Soil Horizons - Soil Ecology Wiki. | Mar 11, 2024 | ||
| Add new Web site: The Plant and Soil Sciences e-Library - Soil Profiles and Horizons. | Dec 21, 2023 | ||
| Add new Web site: Missouri Center for Career Education - Soil Horizons. | Jun 18, 2017 | ||
| Article revised. | Dec 07, 2000 | ||
| Article added to new online database. | Jul 20, 1998 |
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