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Mammalia, Aves, Reptiles. (Mar. Geol. Sur., Miocene, pp. 3-71.) 
CHALMERS, R. 
Mineral Resources of Canada. Bulletin on peat, pp. 40, Geol. 
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CLARK, W. B. 
Maryland Geological Survey; Cecil County, pp. 322, pis. 30, At- 
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CLARK, W. B. 
Maryland Geological Survey, Garrett county, pp. 340, pis. 26, 
Atlas, Baltimore, 1902. 
CLARK, W. B. 
Maryland Geological Survey, Miocene; pp. Ixxxiv, 543, pis. 135, 
Baltimore, 1905. 
CLARK, W. B. 
The Miocene deposits of Maryland; Introduction and General 
Stratigraphic relations. ( Mar. Geol. Sur., Miocene, pp. xxili-xxxii.) 
CLARK, W. B. 
Echinodermata, (Mar. Geol. Sur., Miocene, pp. 432-433.) 
COLEMAN, A. P. 
Sudbury nickel-bearing eruptive. [Abstract]. (Bull. G. S. A., 
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COLLIE, GEO. L. 
Basin of the Po river. (Bull. G. S. A., vol. 15, p. 566. [Ab- 
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COONS, A. T. 
Glass sand. (Min. Res. U. S., 1903, pp. 1171-1179.) 
CORSTORPHINE, GEO. S. (F. H. HATCH and). 
The origin of the Witwatersrand gold. (Eng. Min. Jour., vol. 
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GUSHING, H. P. 
Memoir of Peter Neff. (Bull. G. S. A., vol. 15, pp. 541-544, por- 
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DALL, W. H. 
The relations of the Miocene of Maryland to that of other re- 
gions, and to the recent fauna. (Mar. Geol. Sur., Miocene, pp. 
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DAVIS, W. M. 
The relations of the earth sciences in view of their progress 
in the nineteenth century. (Jour. Geol., vol. 12, pp. 669-688, Xov.- 
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DAVIS, W. M. (and E. HUNTINGTON). 
Physiography and Glaciation of the western Tian Shan moun- 
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DAY, DAVID T. 
Mineral Resources of the United States, Calendar year, 1903, 
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