Soil conservation districts for Iowa?
Wedi'i Gadw mewn:
| OCLC: | 49419204 |
|---|---|
| Awdur Corfforaethol: | |
| Iaith: | English |
| Cyhoeddwyd: |
[Des Moines] :
Iowa State Planning Board,
[1938?]
|
| Cyfres: | USAIN State and Local Literature Preservation Project. Iowa.
|
| Pynciau: | |
| Fformat: | Dogfen y Llywodraeth Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |