Longman, Rees, Orme, Brown, and GreenHall, Sidney1 map : hand colored; 41 x 51 cmby Sidney Hall ; Scale approximately 1:8,000,000(W 15⁰--E 15⁰/N 20⁰--S 5⁰) ; Prime meridian: Greenwich ; Covers Western Africa and part of Central Africa ; Relief shown by hachures ; Shows routes of exploration in West Africa ; In margin: XLI, 41 ; London : Longman, Rees, Orme, Brown & Green9943163944202441ark:/81985/n2dn4042xLongman, Rees, Orme, Brown & GreenPublicDiscoveries in geographyWestern AfricaMapsAfricaWest AfricaCentral Africa1829Northwestern University