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Soil_profile.jpg (236 × 288 بكسل، حجم الملف: 39 كيلوبايت، نوع الملف: image/jpeg)
Summary
| Description |
Graphic of a soil profile showing O, A, B, and C horizons. |
|---|---|
| Source |
http://soils.usda.gov/education/resources/k_12/lessons/profile/profile.jpg |
| Date |
unknown |
| Author |
unknown |
| Permission (Reusing this image) |
PD-USGov-USDA |
Licensing
 |
This image is a work of a United States Department of Agriculture employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain. |  |
وصلات
الصفحات التالية تحتوي على وصلة لهذه الصورة: