The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 200
... Africa . The principal sources of cadmium are in South West Africa / Namibia and Zaire . Deposits of mercury are restricted to North Africa , notably to Tunisia and , more particularly , Algeria . Precious metals . Gold and allied ...
... Africa . The principal sources of cadmium are in South West Africa / Namibia and Zaire . Deposits of mercury are restricted to North Africa , notably to Tunisia and , more particularly , Algeria . Precious metals . Gold and allied ...
Page 201
... Africa . Limestone is important because of its use in the cement industry , and deposits are fairly widespread . North Africa is a particularly important source . In West Africa a belt of limestone runs from the Central African Republic ...
... Africa . Limestone is important because of its use in the cement industry , and deposits are fairly widespread . North Africa is a particularly important source . In West Africa a belt of limestone runs from the Central African Republic ...
Page 217
... Africa , pp . 83–102 ( 1969 ) . H.e. HURST , The Nile ( 1952 ) , is a classic and is still the best account of the regime of the Nile and its tributaries . MARTIN A.J. WIL- LIAMS and HUGUES FAURE ( eds . ) , The Sahara ... Africa Africa 217.
... Africa , pp . 83–102 ( 1969 ) . H.e. HURST , The Nile ( 1952 ) , is a classic and is still the best account of the regime of the Nile and its tributaries . MARTIN A.J. WIL- LIAMS and HUGUES FAURE ( eds . ) , The Sahara ... Africa Africa 217.
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely