LYON—ROCKS OF KENTUCKY. 613 
From this point toward the west the mass represented by 
nis the surface rock for seven miles, when it disappears un- 
der an outlier, composed of the mass of m, J, and part of the 
mass of f, which cover the country; rising into abrupt hills, 
or “knobs,” having precipitous sides, frequently cut and 
notched by drains and gullies. The mass of n again appears 
and becomes the surface rock at Big Spring, the corner of 
Hardin, Mead, and Breckenridge Counties, for several miles 
toward the west. Three miles west of the head spring of 
Sinking Creek the upper part of the mass again dips under 
the bed m and the beds above it. 
actual view, it has necessarily become somewhat crook 
The section itself was traced on a line lying 
West, as before stated; the micaseemenes Fe 
or proved, by all favorable outcrops on ¢1 t 
for several antteat the whole being the result of over ete 
hun ired measurements of the outcropmg rocks along or 
the line of the section as described. 
es a oe 
in Hancock County. 
* The Mines are near the county line 
