HOCKING VALLEY. 69] 
a higher position, these must be fragments of other layers. Its blossom 
follows the Ames limestone.” 
Ore No. 11 is about fifteen feet above the Ames limestone, and is 
described by Prof. Weethee as consisting of two massive layers one foot — 
thick each, constituting nearly a solid mass two feet thick, occurring in 
irregular rough nodules, some of the blocks weighing two hundred 
pounds each. He describes it as a siderite, yielding from thirty to 
thirty-four per cent. iron. In section 80, Dover township, on W. John- 
son’s and L. D. Linscott’s land, it is a yellow hydrated sesquioxide much 
like the Fulton ore. At another opening in the same section it is in 
solid masses of irregular shape, many of them weighing several hundred 
pounds each, and is a blue calcareous ore, apparently a blue carbonate 
with lime. 
Ore No. 12 is from thirty-five to forty feet above the Ames limestone, 
is nodular and similar to No. 9, and in places two and one-half feet thick. 
It may be seen on the Davis farm, section 380, Dover township, and on 
the William Mason farm, in-Ames township. At one opening in Dover 
township it is from twenty inches to two feet thick, a yellow hydrated 
sesquioxide resembling the Fulton ore, and apparently of equal rich- 
ness. 
Ore No. 18 is also found on the Davis farm, section 30, Dover township, 
eighty feet above the Ames limestone, and resembles the Fulton ore, but 
is rather more sandy. ‘ 
Ore No. 14 has its horizon from twenty to fifty feet below the Pitts- 
burgh Coal, and is found in hard, brown nodules scattered through 
thirty feet of ferruginous clay. No opening has been carried to its bed. 
Some of it resembles the ‘‘ Needle ore” or gothite, and from the manner 
in which it is distributed gives promise of being of good thickness and 
a very valuable ore. It yields by analysis 55.86 per cent. metallic iron, 
0.51 per cent. phosphoric acid, 0.07 per cent. sulphur. The iron is in 
the form of a sesquioxide, of which the ore contains 79.09 per cent. A 
remarkably fine ore. 
Careful measurements have been made by Prof. Weethee to determine 
the relative position and thickness of these ores, and the general accu- 
racy of his work is confirmed by Mr. Nichols’s notices and my observa 
tions. While these ores are largely developed and widely distributed, 
none of them are to be regarded as absolutely persistent. In places, 
massive sand-rocks and in others, shales occupy the horizons of the ores 
without any sign of their presence; and the calcareous ores also some« 
times pass into limestone, and frequently outcrops of ores are noticed 
which cannot be referred to any of the foregoing numbers. In section 
