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. 
56th Congress, | HOUSE OF REPRESENTATIVES, j Document 
1st Session. \ 1 No. 572. 
DEPARTMENT OF THE INTERIOR 
BULLETIN 
or THE 
UNITED ST 
GEOLOGICAL S 
o ^ \ 
IsTo. 163 
FLORA OF THE MONTANA FORMATION.— Knowlton 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1900 
