The overlying sandstones afford good building stones, and frequently, as at Vereeniging, yield many fossil plants.
The principal collieries are those at Boksburg and at Brakpan, also on the East Rand, with a coal area of 2400 acres; at Vereeniging and Klerksdorp, near the Vaal; at Watervaal, 12 m.
First the country east of the line Bloemfontein-Vereeniging was swept four times over, then the method was employed in the Transvaal, east and west, and finally against the Cape rebels.
The scheme recommended by the Zuider Zee Vereeniging (1886) formed the subject of a report in 1894 by a state commission.
At Kronstad, &c., in Cape Colony, at Vereeniging, Boksburg and elsewhere in the Transvaal, in Natal and in Swaziland.
Coal-mines are worked in various districts in the north near the Vaal, notably at Vierfontein, and at Clydesdale, which lies a few miles south of Vereeniging.
Six weeks were spent in negotiation, and then a meeting of delegates, under the presidency of General Kemp, was held at Vereeniging.
Sandstones and conglomerates with coal-seams at Vereeniging.