9 
1918-19.] Opening Address by the President. 
be treated as strictly confidential, if desired by the interested parties, 
for a period not exceeding ten years after their deposition. 
I hope that legislation will ere long give effect to the recommendations 
of the snb-committee, and thus enable the Geological Survey to make the 
mapping still more accurate, and to preserve complete records of all future 
boring operations in the coalfields. 
(. Issued separately January 16, 1919.) 
