The mines of iron worked at prefent are Callaway's, Rofs's, and Ballendine's, [ 51 1 on the fouth fide of James' river; Old's on the north fide, in Albemarle; Miller's in Augufta, and Zane's in Frederic. Thefe two lafl are in the valley between the Blue ridge and North mountain. Calla- way's, Rofs's, Miller's, and Zane's, make about 150 tons of bar iron each, in the year. Rofs's makes alfo about 1600 tons of pig iron annually; Ballendine's 1000;
Callaway's, Miller's, and Zane's, about 600 each. Befides thefe, a forge of Mr.
Hunter's, at Frederickfburg, makes about 300 tons a year of bar iron, from pigs imported from Maryland; and Taylor's forge on Neapfco of Potowmac, works in the fame way, but to what extent I am not informed. The indications of iron in other places are numerous, and difperfed through all the middle country. The toughnefs of the caft iron of Rofs's and Zane's furnaces is very remarkable. Pots and other utenfils, caft thinner than ufual, of this iron, may be fafely thrown into, or