Map projections used by the U.S. geological survey
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington
U.S. Government Printing Office
1982.
|
| Edizioa: | 2nd ed. |
| Saila: | Geological survey bulletin
1532 |
| Gaiak: |