Ocean pollution factors : major currents and shipping routes: Ocean currents (July, August, September). 12-74.
| Corporate Authors: | , |
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| Format: | Map |
| Language: | English |
| Published: |
[Washington],
[publisher not identified] ;
[1974]
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| Subjects: |
| Item Description: | "564370." "Source of data: Office of the Geographer, Department of State." "This chart shows, for demonstration purposes, major shipping routes, and their relationship to a hypothetical 200 nautical mile area. Significant major ocean currents are also depicted." Cartographic material. |
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| Physical Description: | color map ; 74 x 109 cm. |