Catalogue of plants, collected in the years 1871,1872, and 1873;

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with descriptions uf new species. (Geographical and geological

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explorations and surveys Wes t 0 f t helooth me r i dia n. First 
lieut. Geo. M. Wh e eIe r, corps of engineers, in charge.) (Engineer 
department, U. S. army.) 8. Washington 1874.