ADVERTISEMENTS. 
The The Ives Strata ° Altitude Maps 
DF IHE UNITED STATES AND PART OF CANADA. 
By James T. B. Ives, F. G. S., 
American Institu 
te of Mining Engineers, the American 
mber 
Association for hg armel of Science, and the Canadian Institute. 
THE STRATA MAP 
consists of a series of seven Superimposed Maps, rep- 
resenting the seven Geological i ora of ~~ oun- 
try, colored as recommended by th C 
iets iei Grols, porti g y agreeably 
f th 1 in nature. 
It graphically exhibits superposicion denud- 
ation, and outcrop of strata, with the phenom- 
ena of escarpments, outliers, nts, dip, strike, 
conformability, etc., and the Cards may be bent 
to show synclinal or anticlinal sin 
THE AE i MAP 
novel device by the enira f the “ Strata 
e Map is decree gouien "m 
wall or stand erect 
e being carefully embossed 
suc joins altitudes are emphasized ne pipi ies on colors. 
amed in oak and varnished, and arranged to hang on the 
Map" differing m. any elevation map previ- 
to 1epre r Systems and 
The two ien are mu ME in a neat cloth-covered case, gilt fettered. 
Siz 4.00 
e, 21x15 inches. 
Price, 
BINDER & KELLY, Publishers, 
AMERICAN NATURALIST OFFICE 
1293. 
P. O. BOX 712, 
]. Harper Bonnell Go. 
FINE a 
24 a A 
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Mail, Staats Zeitung, et 
‘Aloe es iiis publication. 
ls; Mrs. | 
| the È 
PHILADELPHIA, PA. 
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Is THE BEST Sanitary publica- 
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