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  1. 1
    Grand Cañon of the Colorado, near Paria Creek, looking east, 1872

    Grand Cañon of the Colorado, near Paria Creek, looking east, 1872

    Published 1889
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  2. 2
    Oedipoda wheelerii, Oedipoda utahensis, Oedipoda neglecta, Steiroxys heermanii, Gomphocerus carpenterii

    Oedipoda wheelerii, Oedipoda utahensis, Oedipoda neglecta, Steiroxys heermanii, Gomphocerus carpenterii

    Published 1875
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  3. 3
    1-16 Clastes integer, 12-13 Dermatemys costilatus, 32 Baena arenosa, 36-39 Hadriani, 40-1 Clastes [New Mexico] /

    1-16 Clastes integer, 12-13 Dermatemys costilatus, 32 Baena arenosa, 36-39 Hadriani, 40-1 Clastes [New Mexico] /

    Published 1877
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  4. 4
    Pyrrhopappus rothrockii

    Pyrrhopappus rothrockii by Sprague, Isaac, 1811-1895

    Published 1878
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  5. 5
    Wyethia arizonica

    Wyethia arizonica by Sprague, Isaac, 1811-1895

    Published 1878
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  6. 6
    Sketch of Cañon San Diego, Ojos Calientes & Monument Cañon of the Jemez Basin

    Sketch of Cañon San Diego, Ojos Calientes & Monument Cañon of the Jemez Basin

    Published 1875
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  7. 7
    1-6 Coryphodons, 7-13 Trionyx ventricosus [New Mexico] /

    1-6 Coryphodons, 7-13 Trionyx ventricosus [New Mexico] /

    Published 1877
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  8. 8
    Artiplex [sic] wolfii

    Artiplex [sic] wolfii by Sprague, Isaac, 1811-1895

    Published 1878
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  9. 9
    Implements of stone, ancient pueblos, San Il de Fonso and Santa Clara, New Mexico, 1874

    Implements of stone, ancient pueblos, San Il de Fonso and Santa Clara, New Mexico, 1874 by Putnam, F. W. (Frederic Ward), 1839-1915

    Published 1879
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  10. 10
    Argynnis nokomis [male symbol], Argynnis nokomis [female symbol]

    Argynnis nokomis [male symbol], Argynnis nokomis [female symbol]

    Published 1875
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  11. 11
    Horizontal sketch from Tallac Peak, Cal occupied Oct. 14, 1876 by Party No. 2, Cal. Section.

    Horizontal sketch from Tallac Peak, Cal occupied Oct. 14, 1876 by Party No. 2, Cal. Section.

    Published 1889
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  12. 12
    Chrysomitris psaltria var. arizonæ [male symbol], Chrysomitris psaltria [male symbol]

    Chrysomitris psaltria var. arizonæ [male symbol], Chrysomitris psaltria [male symbol] by Ridgway, Robert, 1850-1929

    Published 1875
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  13. 13
    Festuca thurberi

    Festuca thurberi by Seaman, William H., 1837-1910

    Published 1878
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  14. 14
    Abronia villosa

    Abronia villosa by Seaman, William H., 1837-1910

    Published 1878
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  15. 15
    Chocolate Butte, Paria Creek, Arizona

    Chocolate Butte, Paria Creek, Arizona by Bell, William, 1830-1910

    Published 1875
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  16. 16
    Cinosternum henrici

    Cinosternum henrici

    Published 1875
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  17. 17
    Cinosternum flavescens

    Cinosternum flavescens

    Published 1875
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  18. 18
    Contia isozona, Gyalopium canum, Chilomeniscus ephippicus. Cope

    Contia isozona, Gyalopium canum, Chilomeniscus ephippicus. Cope

    Published 1875
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  19. 19
    Ophibolus pyrrhomelas. Cope

    Ophibolus pyrrhomelas. Cope

    Published 1875
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  20. 20
    Chilopoma rufipunctatum, Eutænia vagrans angustirostris

    Chilopoma rufipunctatum, Eutænia vagrans angustirostris

    Published 1875
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