Surveying and mapping.
| Teitl Newydd: | American Congress on Surveying and Mapping. Surveying and land information systems. |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C.
American Congress on Surveying and Mapping
[1972-]
|
| Pynciau: |