Drought in the United States, 1931-40
| Autor: | Skaggs, Richard H. |
|---|---|
| Zdroj: | Annals of the Association of American Geographers, 1975 Sep 01. 65(3), 391-402. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
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| Autor: | Skaggs, Richard H. |
|---|---|
| Zdroj: | Annals of the Association of American Geographers, 1975 Sep 01. 65(3), 391-402. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|