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Routes near 47th & 49th parallels, profiles.
0693.023
missinglocation
Routes near the 47th and 49th parallels. Profiles: from explorations and surveys made under the direction of Hon. Jefferson Davis, Secretary of War by Isaac I. Stevens, Gov. of Washington Territory. 1853-4. (1861)
1861
Stevens, Isaac I.
A.O.P. Nicholson I-XI
110 × 65 cm
1 : 1200000