...it is too friable to be an effective material for roads. " Throughout Scotland," says Mr. Stevenson, "and even as far south as the approaching sources of the rivers Tees and Kibble, good roadmetal is generally to be met with, containing the numerous varieties of granite, greenstone,...

...' Edinburgh Encyclopaedia,' states the distribution of road materials in the British islands to be partial and irregular. ' Throughout Scotland, and...granite, greenstone, basalt, porphyry, and limestone. _ South of this boundary, as far as the Trent and the Dee in'Cheshire, the formation is chiefly coal,...

...' Edinburgh Encyclopaedia,' states the distribution of road materials in the British islands to be partial and irregular. " Throughout Scotland, and...as the approaching sources of the rivers Tees and Kibble, good roadmetal is generally to be met with, containing the numerous varieties of granite, greenstone,...