Primary deposits are doubtfully represented by the detached fragments of unfossiliferous strata of Traras, Blida and east of Orleansville.
Inland, besides Constantine, are the important towns of Tlemcen (24,060), Sidi bel Abbes (24,494), Mascara (18,989) and Blida (16,866).
Miliana (3991), which occupies the site of the Roman Milliana, lies about midway between Blida and Orleansville, is 2400 ft.
With the feeble resources at his disposal Clausel undertook an expedition against Bu-Meyrag, the bey of Titeri, took from him Blida and Medea, dismissed him, replaced him by a successor devoted to France, and returned to Algiers after having left a garrison in Medea.
BLIDA, a town of Algeria, in the department of Algiers, 3 2 m.
Blida is surrounded by a wall of considerable extent, pierced by six gates, and is further defended by Fort Mimieh, crowning a steep hill on the left bank of the river.
The centre of a fertile district, and a post on one of the main routes in the country, Blida has a flourishing trade, chiefly in oranges and flour.
Blida is the chief town of a commune of the same name, having (1906) a population of 33,332.