The transport facilities offered by the Severn were a further material factor both in the local development of great coal, iron and other industries, at a time when like industries were still in their infancy in the north, and in the increase of the general wealth of the western counties. In regard to Shropshire, Archdeacon Plymley writes that the inhabitants of the county, having such ready communication both with the interior of the country and with the sea, had opened mines of iron, stone, lead, lime, etc., and had, also, established very extensive iron manufactures. As the result of all this enterprise, much capital had been drawn into the district; a great market had been opened for the agricultural produce of the country; the ready conveyance of fuel and manure had enabled the cultivation of the soil to be carried on even beyond the demands of the increasing consumption; and all had so operated together as to increase the wealth and well-being of Shropshire in general. Some interesting facts as to the conditions under which the navigation of the Severn was conducted in 1758 are given in a communication published in the "Gentleman's Magazine" for that year (pages 277-8) from G. Perry, of Coalbrookdale, under the heading, "A Description of the Severn." The following passages may be quoted:-- "This river, being justly esteemed the second in Britain, is of great importance on account of its trade, being navigated by vessels of large burden more than 160 miles from the sea, without the assistance of any lock. Upwards of 100,000 tons of coals are annually shipped from the collieries about Madeley {118}and Broseley to the towns and cities on its banks, and from thence into the adjacent countries; also great quantities of grain, pig and bar iron, iron manufactures and earthen wares, as well as wool, hops, cyder, and provisions are constantly exported to Bristol and other places, from whence merchants' goods, &c., are brought in return. The freight from Shrewsbury to Bristol is about 10s. per ton, and from Bristol to Shrewsbury 15s., the rates to the intermediate towns being in proportion. "This traffic is carried on with vessels of two sorts; the lesser kind are called barges and frigates, being from 40 to 60 feet in length, have a single mast, square sail, and carry from 20 to 40 tons; the trows, or larger vessels, are from 40 to 80 tons burthen; these have a main and top mast, about 80 feet high, with square sails, and some have mizen masts; they are generally from 16 to 20 feet wide and 60 in length, being, when new, and completely rigged worth about 300l." Their number having greatly increased, he had "an exact list" taken of all the barges and trows on the Severn in May, 1756, and this list he gives. The total number of owners was then 210, and the total number of vessels was 376. Among the places mentioned are the following:--