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  1. 61
    Preserving nature in the national parks a history : with a new preface and epilogue /

    Preserving nature in the national parks a history : with a new preface and epilogue / by Sellars, Richard West, 1935-

    Published 1997
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  2. 62
    Grass productivity

    Grass productivity by Voisin, André, 1903-1964

    Published 1988
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  3. 63
    Towards sustainable management of the boreal forest

    Towards sustainable management of the boreal forest

    Published 2003
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  4. 64
    Investing in the national research initiative an update of the Competitive Grants Program of the U.S. Department of Agriculture /

    Investing in the national research initiative an update of the Competitive Grants Program of the U.S. Department of Agriculture /

    Published 1994
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  5. 65
    Science and the national parks

    Science and the national parks

    Published 1992
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  6. 66
    The U.S. National Plant Germplasm System

    The U.S. National Plant Germplasm System

    Published 1991
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  7. 67
    Agricultural crop issues and policies

    Agricultural crop issues and policies

    Published 1993
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  8. 68
    Toward sustainability a plan for collaborative research on agriculture and natural resource management /

    Toward sustainability a plan for collaborative research on agriculture and natural resource management /

    Published 1991
    An electronic book accessible through the World Wide Web; click to view
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  9. 69
    Investing in research a proposal to strengthen the agricultural, food, and environmental system /

    Investing in research a proposal to strengthen the agricultural, food, and environmental system /

    Published 1989
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  10. 70
    Tourism in national parks and protected areas planning and management /

    Tourism in national parks and protected areas planning and management / by Eagles, Paul F. J., 1949-

    Published 2002
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  11. 71
    Wild forests conservation biology and public policy

    Wild forests conservation biology and public policy by Alverson, William Surprison

    Published 1994
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  12. 72
    Improving the use of the "best scientific information available" standard in fisheries management

    Improving the use of the "best scientific information available" standard in fisheries management

    Published 2004
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  13. 73
    The development of science-based guidelines for laboratory animal care proceedings of the November 2003 international workshop /

    The development of science-based guidelines for laboratory animal care proceedings of the November 2003 international workshop /

    Published 2004
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  14. 74
    Reengaging in agricultural water management challenges and options.

    Reengaging in agricultural water management challenges and options.

    Published 2006
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  15. 75
    Doing participatory research and development

    Doing participatory research and development

    Published 2005
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  16. 76
    Understanding participatory research and development

    Understanding participatory research and development

    Published 2005
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  17. 77
    Enabling participatory research and development

    Enabling participatory research and development

    Published 2005
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  18. 78
    Understanding environmental policy processes cases from Africa /

    Understanding environmental policy processes cases from Africa / by Keeley, James

    Published 2003
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  19. 79
    Parks in transition biodiversity, rural development and the bottom line /

    Parks in transition biodiversity, rural development and the bottom line /

    Published 2004
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  20. 80
    Return to the river restoring salmon to the Columbia River /

    Return to the river restoring salmon to the Columbia River /

    Published 2006
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