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An illustrated flora of the northern United States Canada and the British possessionsfrom Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridianBookby Britton, Nathaniel Lord, 1859-1934
Published 1913 -
by Frye, Theodore C. (Theodore Christian), 1869-1962
Published 1914 -
Report of the Geological exploration of the fortieth parallel made by order of the Secretary of War according to the acts of Congress of March 2 1867 and March 3 1869under the direction of A A Humphreys chief of engineersConference Proceeding BookPublished 1870
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by Cooper, J. G. (James Graham), 1830-1902
Published 1994 -
Travels in the interior of America in the years 1809 1810 and 1811;including a description of upper Louisiana together with the states of Ohio Kentucky Indiana and Tennessee with the Illinois and western territoriesBookby Bradbury, John, 1768-1823
Published 1817 -
by Nisbet, Jack, 1949-
Published 2009 -
Journal kept by David Douglas during his travels in North America 1823-1827together with a particular description of thirty-three species of American oaks and eighteen species of Pinus with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834Bookby Douglas, David, 1799-1834
Published 1914 -
Flora of southern British Columbia and Vancouver islandwith many references to Alaska and northern speciesBookby Henry, Joseph Kaye, 1861-1930
Published 1915 -
by Piper, Charles V. (Charles Vancouver), 1867-1926
Published 1906 -
Journal kept by David Douglas during his travels in North America 1823-1827together with a particular description of thirty-three species of American oaks and eighteen species of Pinus with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834Bookby Douglas, David, 1799-1834
Published 1959 -
by Munger, Susan H.
Published 2003