Specifications for establishment and maintenance of trigonometrical stations.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Sydney :
Department of Lands,
1975.
|
| Pynciau: |
CARM 1 Store
| Copi 1 | Ar gael Gwneud Cais |
|---|