The headquarters of the West African Frontier Force had been at Jebba, not far from the point at which Mungo Park had lost his life upon the river.
Be rather the Mungo Park, the Lewis and Clark and Frobisher, of your own streams and oceans; explore your own higher latitudes--with shiploads of preserved meats to support you, if they be necessary; and pile the empty cans sky-high for a sign.
In 1795 Mungo Park was sent out by the African Association, and was the first European to see and describe the upper river.
See Mungo Park's Travels (London, 1799); G.
At that period geographers regarded the Senegal as the termination of the Niger, a theory held until Mungo Park's demonstration of the eastward course of that stream.
When Mungo Park returned in 1796 from his celebrated journey in Africa, Edwards, who was secretary of the Association for Promoting the Discovery of the Interior Parts of Africa, drew up from Park's narrative an account of his travels, which was published by the association in their Proceedings; and when Park wrote an account of his journeys he availed himself of Edwards' assistance.
Afterwards the Gambia became a starting-place for explorers of the interior, among them Mungo Park, who began both his journeys (1795 and 1805) from this river.
The term river is more particularly confined to a ramification of the estuary which receives the waters of the Mungo river (a considerable stream which flows south from the Cameroon mountains), the Wuri, a river coming from the north-east, and various smaller rivers.
Lacerda left a valuable record of his adventurous journey; but with Mungo Park and Lacerda the history of African exploration in the 18th century closes.
His most valuable works include the Bengal Atlas (1779), the first approximately correct map of India (1783), the Geographical System of Herodotus (1800), the Comparative Geography of Western Asia (1831), and important studies on the geography of northern Africa - in introductions to the Travels of Mungo Park and Hornemann - and the currents of the Atlantic and Indian Oceans.