SUPPLEMENTAL REPORT — HOCKING VALLEY. 869 
and obviously not very rich in metallic iron. It doubtless contains 
phosphorus enough to make the iron cold-short; but it is abundant and 
near the furnace, and can be obtained very cheaply. 
From eighteen to twenty feet below the ore isa layer of limestone 
one foot six inches thick. This is somewhat nodular on the outcrop, 
which makes it easily dug. This furnishes the flux at the furnace. At 
the base of the hills is the Nelsonville seam of coal, the three lower 
benches of which are mined, yielding a little more than six feet of coal. 
Thus all the raw materials, which are almest within a stone’s throw of the 
furnace, are amazingly cheap, and although a very large amount of ore 
and coal is used in making a ton of iron, the manufacture is said to be 
profitable. The furnace is fifty feet high and sixteen feet wide in the 
bosh. 
The Ogden Furnace, higher up the valley of Snow Fork, obtains its 
native ore from the Bessemer seam. The ore is similar in appearance to 
the ore at the Akron Furnace. The lower bench is reported to be from 
ten inches to two feet in thickness, with an estimated average of 
fifteen inches. Upon this rests a layer of the so-called “lime bowlders,” 
the mass ranging from one foot to one foot eight inches in thickness. I 
have no analyses of the ore of the lower bench, but the nodules above 
are reported to yield from eight to twenty per cent. of iron. From fif- 
teen to twenty feet below the ore isthe usual limestone. The coal of the 
Nelsonville seam lies at the base of the hills, and here is overlain by sand- 
rock, which usurps the placeof the usual overlying shales and of the upper 
bench of the seam. This intrusion of the sand-rock appears to have 
had an injurious effect upon the quality of the coal. But the seam can 
be found in an undisturbed condition not far away. : 
The Ogden Furnace is fifty feet high, with a width of bosh of fifteen 
feet, and is furnished with three Whitwell hot-blast ovens. On the land 
of Messrs. Buckingham and Wright, east of Snow Fork, I saw loose 
masses of ore supposed to be of the Bessemer seam. 
On the Cawthorn farm, on Monday Creek, near Bessemer, the Besse- 
mer seam of ore shows a fine outcrop of nodules, in all from four to 
five feet in thickness. There is no drift opened to reveal the thickness 
of the lower bench of ore. Here the ore is, by Locke’s level, eighty-three 
feet above the bottom of the Nelsonville seam of coal, and seventeen feet 
above the limestone, which, at this place, is from three to four feet thick. 
Some years since I obtained a sample of the outcrop ore, thoroughly 
oxidized, which Prof. Wormley analyzed with the following result: 
