The use of aerial survey in forestry and agriculture
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Aberystwyth ;
Imperial forestry bureau and pastures and field crops,
1947
|
| Rhifyn: | 6th |
| Pynciau: | |
| Tagiau: |
Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|
Ychwanegu Tag | Disgrifiad o'r Eitem: | Joint publication No.9 |
|---|---|
| Disgrifiad Corfforoll: | 59p. |
The use of aerial survey in forestry and agriculture