x ADVERTISEMENT. 
Mineral Resources of the United States, 1897, David 'T. Day, Chief of Division. 1898. 8°. 
Being Part VI (in 2 vols.) of the Nineteenth Annual Report. 
The money received from the sale of the Survey publications is deposited in the Treasury, and 
the Secretary of that Department declines to receive bank checks, drafts, or postage stamps; all remit- 
tances, therefore, must be by MONEY ORDER, made payable to the Director of the United States 
Geological Survey, or in CURRENCY—the exact amount. Correspondence relating to the publications 
of the Survey should be addressed to 
Tue DIRECTOR, | 
UNITED STATES GEOLOGICAL SURVEY, 
WASHINGTON, D. C., December, 1898. WASHINGTON, D. C. 
se 
