SUPPLEMENTAL REPORT——HANGING ROCK DisTRIicT. 909 
esteemed as highly as the Limestone Ore at several points, its uncer- 
tainty always excepted. It has been worked by itself to a small extent 
in Gallia Furnace, making an iron of the best quality. 
It is seldom worked where it has a thickness of less than eighteen 
inches. It is estimated to yield thirty-eight percent. of iron in the fur- 
naces where it has been tried. This yield, it will be remembered, 1s from 
outcrop ore. yn . 
14) An entirely similar association of buff limestone and ore is met, 
for the third time, at ten to fifteen feet elevation above the last 
named bed, or at about seventy-five to eighty-five feet above Coal No. VI. 
The similarity of these three deposits (Nos. 12, 18, and 14) has led 
some observers to hastily class them as one, and to explain their differ- 
ences of level by ‘“‘slips” of the strata. No such explanations, however, 
are tenable, for two at least of these three. horizons stretch without a 
break through many hundreds of square miles, and the section at Nel- 
sonville, in the Hocking Valley, is repeated at Ironton, on the Ohio 
River, with surprising agreement, | 
The ore now to be considered is better known than either of the others 
which it resembles so closely. It has had, heretofore, a very unfortunate 
designation, viz.: the Bessemer Ore, the name being derived from the site 
of the Akron Furnace Company on Monday Creek, in the Hocking Val- 
ley. It can well be substituted by the name of the enterprising head of 
the Akron Company, and the ore will be here known as the Buchtel Ore. 
It is quite probable that some of the various horizons known in Perry 
county as the Sour Apple Ore, will find a place here. This last name is 
supposed to belong to the horizon of the Straitsville Ore by the best 
right, but its uncertainty makes it safer to discard it. 
Except the Great Coal Seam, no other stratum of the Hocking Valley 
has awakened so much interest and excitement as the Buchtei Ore. Its 
outcrops in the vicinity of Akron Furnace show a wall from three to six 
feet in thickness, and it is evident that the ore may be quite lean and 
_ yet make a valuable contribution to the iron manufacture of the State. 
The ore contains from twenty to thirty per cent. of iron under cover, the 
average of many analyses being about twenty-four per cent. The per- 
centage of silica varies, being sometimes, though rarely, as low as eight 
per cent., but the usual figures varying between twelve and twenty per 
cent. The average is not less than fifteen. It is to be remembered, how- 
ever, that in the lime of which the ore carries a notable percentage, a 
part of the flux is contained, and the percentage of silica can accord- . 
ingly be looked on as the double one of ore and flux. 
The results obtained from Akron Furnace have been watched with 
