Continental shelf, North Sea concessions /
| Corporate Author: | |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
Houston :
Offshore,
[1972]
|
| Subjects: |
| Item Description: | Depths shown by contours. "Supplement to April 1972 issue, Offshore." Includes notes and advertisements. Cartographic material. |
|---|---|
| Physical Description: | 1 map : color ; 91 x 56 cm. |