Labels:text | map | diagram OCR: Boundary regresenlolion I not necessarily 18 24 30 ZIMBABWE authoritative &Walvis BOTSWANA Boy 24- NAMIBIA Les burg -SWAZILAND 30 LESOTHO Durban 30 Atlantic Indian Ocean Ocean East London Cope Town Port Elizabeth 0 50 100 200 Miles 24 0 50 100 200 Kilometers - 0 5 15 50 100 1975 Persons per square kilometer
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