The estimated total of available coal is 11,600,000 tons.
This
field has been worked to a small extent from time to time. There is
some prospect of its being now opened up in connection with the Sone
river canal system.
XVI. Tattapani.* Besides
a few notes by myself, the result of a day devoted to the examination
of its eastern frontier, nothing is published yet regarding this field,
but a detailed account is, I understand, about to appear. The
formations found in the Aurunga Field all occur there, and there is
some coal. On the southern faulted boundary there is a remarkable
series of hot springs, from which the locality has received its name
Tattapani (boiling water).
XVII. South Rewah and Sohagpur.I This is a wide tract in the Sone valley, covering perhaps 8,000 square miles. The geology is imper-
* "Mem. Geol. Survey of India," vol. xv. + " Manual " vol. i. p. 201.
