Those of the eastern slope, on the other hand, such as the Musi, Jambi, Indragiri, Kampar, Siak, Rokan, Panei, Bila and Asahan, are longer, and with many of their affluents are navigable in their middle and lower courses over considerable stretches for craft drawing 6 to 10 ft.
The Musi and Jambi are navigable for 372 and 497 m.
Sibo Equator Bata :: Padang AVA Ketaun, in Lebong, flowing to the west coast, and of the upper Musi, flowing to the east coast; the valleys of Makakau and Selabung or the upper Komering, an affluent of the Musi, between Sebelat and Kaba.
In the west coast lands European influence, fertile soil, comparatively good roads, agriculture, timber, and coalfields have created populous settlements on the coast at Padang (the capital of the west coast, with 35,158 inhabitants in 1897, of whom 1640 were Europeans), Priaman, Natal, Ayer Bangis, Siboga, Singkel, and also on the plateaus at Fort de Kock, Payokombo, &c. In the east coast lands it is only at the mouths of rivers - Palembang at the mouth of the Musi, with 53,000 inhabitants, and Medan in Deli, the residence of the highest civil and military officials of the east coast, in which a fine government house has been erected - that considerable centres of population are to be found.
The town of Palembang is a large place on the river Musi, with 50,000 inhabitants (2500 Chinese), extensive barracks, hospitals, &c., a mosque (1740), considered the finest in the Dutch Indies, and a traditional tomb of Alexander the Great.