LIMESTONE. 123 
Section of Lower Washington limestone near Hackneys. 
Ft. in. 
Limestone - - 1 
Shale, bituminous 2 
Limestone - - - 1 
Clay 4 
Limestone — - - 1 
Clay . 8 
Limestone 6 
Clay ---- 1 
Limestone — 1 
Clay 6 
Limestone 2 
Clay 6 
9 8 
Coal, Washington 1-f- 
Still another good section occurs near Zollarsville. The measure- 
ment is as follows: 
Section of Lower Washington limestone 2 miles west-northwest >f ZollarsviUe. 
Ft. in. 
Limestone 2 
Shale, bituminous ... . 3 
Limestone 3 
Shale, bituminous 2 
Limestone 3 
Shale, bituminous 1 
Limestone 7 
Shale § 
Limestone 3 
Shale, bituminous 3 
Limestone 1 
Shale, bituminous 2 
Limestone 6 
Shale, bituminous 2 
Limestone . 1 
10 7\ 
The Lower Washington limestone is usually a hard, compact lime- 
stone, having a light blue-gray to fleshy color and commonly weather- 
ng bluish white. The color is not distinctive, and in general it can 
be said that in none of the limestones in the Dunkard formation is the 
color a certain guide to the identity of the bed. The colors men- 
tioned are characteristic, how T ever, and usually assist in identification. 
The utility of this limestone has not been tested, but at many widely 
scattered points it is rather massive and would seem to be of possible 
future value. 
MIDDLE WASHINGTON LIMESTONE. 
The Middle Washington limestone occurs 60 to 100 feet above the 
Lower Washington and 100 to 140 feet below the Upper Washington 
