UNION COUNTY. 329 
stone or a clean quartz grit, has the character of a conglomerate in Union 
county, consists in the appearance of that character near the county 
line, in Mill Creek, as already mentioned in the report on Delaware 
county. It there contains water-worn pebbles of the underlying Water- 
lime, which are sometimes two or three inches in diameter. The whole 
thickness is not more than two feet. 
The Waterlime.—This limestone is so named from its known hydraulic 
qualities, in other States as well as in some places in Ohio. It appears 
in outcrop in widely separated parts of the county, and probably is the 
surface bed-rock throughout the most of the county. The quarry of Wm. 
Ramsey, in the bed of Mill Creek, in Mill Creek township, although not 
now in operation, is sufficiently developed to show the Waterlime char- 
acters. Aaron Sewell burns a little lime here. The foundation for the 
old court-house at Marysville was taken out here. The stone is in beds 
of about four inches, but is wavy. Some of it is brecciated. The creek 
has excavated about ten feet in this limestone along here, the overlying 
Corniferous receding from the stream on both sides. This narrow belt 
of Waterlime extends northward and makes, probably, an isolated out- 
lier of Corniferous which occupies part of Dover township, and crosses 
Scioto, in Delaware county, from near Millville, south-westerly. The 
Waterlime also is exposed on Ingham Wood’s land, one mile north-west 
of Pharisburg, in Boggs’s Creek ; also on John Grandy’s, near Wood’s, as 
well as on the next farm above, Peter Jollifi’s. It occurs again on John 
Gray’s and Alfred Davis’s land, half a mile north of Byhalia, in the bed 
of Little Rush Creek. At York Center it appears on Aaron Shirk’s 
and Hiram Watts’s land, on the north side of Boggs’s Creek. On the 
south side of the creek it also affords good exposures on the land of 
Montreville Henry, John Timons, John Shirk, and Finley Davis, where 
it has been burned some for lime by Mr. Shirk; but it is not now 
wrought. It is mainly a surface exposure in the bed and low banks of 
the creek. 
At Unionville the Waterlime appears in Big Darby Creek. It was 
recently opened for lime by F. J. Sager and J.C. Robinson. The beds 
are from four to eight inches thick, and fine-grained. This is said to be 
underlain by a blue clay which is four feet thick. It also occurs two 
miles above Unionville, on James Martin’s land; and a mile further 
down, on land of Elijah Mitchell. It was formerly wrought a little on 
the land of Mr. Sager, three-fourths of a mile below the village, where 
the beds were from four to eight inches. It also is seen on H. Penning- 
ton’s land, just below Mr. Sager’s. 
The Drift.—This ‘deposit in Union county shows evidence of more re-. 
