MEMOIRS 
OF THE 
GEOLOGICAL SURVEY OF INDIA. 
Tus CHOPS Coar-rrgpD, by V. BALL, B. A., Geological Survey of India. 
The small coal-field which forms the subject of the following 
account is situated in the valley of the Mohani river, about eight miles 
in a direct line, a little north of west, from-the station of Hazaribagh. 
Tt is thus well within the limits of the Hazaribagh plateau, and its 
elevation is scarcely less than that of the station, or about 2,000 feet 
above the level of the sea. 
The prinçipal village in the vicinity, Chopé, has furnished the 
name which has been adopted to indicate this 
Name, 
area of coal-measure and associated rocks. 
During the early part of last year (1869), Dr. J. M. Coates, Super- 
intendent of Jails in Hazáríbágh, devoted a con- 
Discovery. ; 2 Cr ^is 
siderable amount of time to the examination of 
the country surrounding the station of Hazáríbásh. With the help of 
natives he sueceeded in discovering several deposits of iron and lime, 
and also the seam of coal to be described in the following pages. 
In April 1870, this coal was visited by Mr. Donaldson, who was. 
deputed by His Excellency the Viceroy to report 
"e. ee whether it would be advisable for Government to 
utilize the iron ore, limestone, and coal in the neighbourhood of Hazárí- 
bagh in the manufacture of iron by means of convict labor. 
Memoirs of the Geological Survey of India, Vol. VIII, Art. 4. 
