There are smaller arsenals at Para, Pernambuco, Sao Salvador and Ladario (Matto Grosso) and a shipbuilding yard of considerable importance at the Rio de Janeiro arsenal.
On the western frontier a northern extension of the great central chain of Goyaz forms the water-parting between the drainage basins of the Sao Francisco and Tocantins, and is known at different points as the Serra do Paranan, Serra de Sao Domingos and Serra das Divisoes.
The inroads made on the frontiers of Rio Grande and Sao Paulo decided the court of Rio to take possession of Montevideo; Brazil de- a force of 5000 troops was sent thither from Portugal, together with a Brazilian corps; and the irregulars integral of Artigas, unable to withstand disciplined troops, were forced, after a total defeat, to take refuge beyond the river Uruguay.
An electric street railway connects all the outlying districts with the ferry stations of Praia Grande and Sao Domingos.
The railways of the state are the Recife and Sao Francisco (77 m.), Central de Pernambuco (132 m.) and Sul de Pernambuco (120 m.) - all government properties leased to the Great Western of Brazil Railway Co., Ltd., since 1901.
North of the Sao Francisco the watershed projecting from the plateau eastward toward Cape St Roque, known as the Serra da Borborema in Parahyba and Rio Grande do Norte where its direction becomes north-east, leaves a triangular section of the easterly slope in which the river courses are short and much broken by rapids.
By the drainage basin of the Sao Francisco river, and having a general elevation of loon to 1700 ft.
Of Rio de Janeiro, on the Cuyaba river near its discharge into the Sao Lourengo, the principal Brazilian tributary of the Paraguay.
South and south-west of this arid plateau lie the inhabited tablelands of Rio de Janeiro, Sao Paulo and Minas Geraes, where the climate is greatly modified by a luxuriant vegetation and southerly winds, as well as by the elevation.
In the latter, especially at Sao Joao da Chapada, the minerals accompanying the diamond are scarcely worn at all; in the terraces and the river beds they are more worn and more abundant; the terraces, therefore, are to be regarded as a first concentration of the plateau material by the old rivers; and the cascalho as a second concentration by the modern rivers.