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MEDIUM SCALE PHOTOGRAMMETRIC MAPPING AT THE DIRECTORATE OF OVERSEAS SURVEYS |
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| Authors: | D. Read D. L. Fereday L. R. Brown |
| Affiliation: | Directorate of Overseas Surveys |
| Abstract: | The authors describe the photogrammetric procedures involved in the production of 1 : 50 000 scale mapping within the Directorate of Overseas Surveys, making specific reference to a project in Ethiopia. |
| Keywords: | |