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  1. 1
    Author: Spofford, Walter O.
    Published 1976
    In collection: Published Materials
    Subjects: '; “...Environmental protection Delaware River Valley (N.Y. ...”
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    Environmental quality management : an application to the Lower Delaware Valley
  2. 2
    Published 1976
    In collection: Published Materials
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    Final environmental statement : Independence National Historical Park "Area F"
  3. 3
    Published 1970
    In collection: Published Materials
    Subjects: ';
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    Environmental awareness for Indian education
  4. 4
    Author: Appelbaum, Barbara
    Published 1991
    In collection: Published Materials
    Subjects: ';
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    Guide to environmental protection of collections
  5. 5
    Published 1992
    In collection: Published Materials
    Subjects: ';
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    Race and the incidence of environmental hazards : a time for discourse
  6. 6
    Published 1975
    In collection: Published Materials
    “...Environmental design, 1975, Northern Liberties....”
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    Environmental 1975 design, Northern Liberties
  7. 7
    Published 1976
    In collection: Published Materials
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    Environmental education interdependence, a concept approach : suggestions for curriculum development
  8. 8
    Published 1994
    In collection: Published Materials
    Subjects: ';
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    Draft environmental assessment rehabilitation and improvement of utilities : Independence National Historical Park, Pennsylvania
  9. 9
    Published 1995
    In collection: Published Materials
    Subjects: ';
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    Draft general management plan, environmental impact statement : Independence National Historical Park, Pennsylvania
  10. 10
    Author: Paine, Shelley Reisman
    Published 1985
    In collection: Published Materials
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    Basic principles for controlling environmental conditions in historical agencies and museums
  11. 11
    Published 2009
    In collection: Published Materials
    Subjects: '; “...Environmental protection Citizen participation....”
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    You don't have to be a superhero to save the planet : Big Green Earth Store
  12. 12
    Published 1992
    In collection: Published Materials
    Subjects: '; “...Migration, Internal Environmental aspects....”
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    Migration and the environment
  13. 13
    Author: McNeur, Catherine
    Published 2014
    In collection: Published Materials
    Subjects: ';
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    Taming Manhattan : environmental battles in the antebellum city
  14. 14
    Published 2013
    In collection: Published Materials
    Subjects: '; “...Environmental protection Management Alabama Baldwin County Directories....”
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    The waters, ways & wildlife of Alabama's Gulf Coast
  15. 15
    Published 1992
    In collection: Published Materials
    Subjects: '; “...Population Environmental aspects....”
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    Elephants in the Volkswagen : facing the tough questions about our overcrowded country
  16. 16
    Author: Martinez, Xiuhtezcatl,, Spizman, Justin,
    Published 2017
    In collection: Published Materials
    Subjects: ';
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    We rise : the earth guardians guide to building a movement that restores the planet
  17. 17
    Author: Raufer, Roger K.
    Published 1998
    In collection: Published Materials
    Subjects: '; “...Environmental economics Pennsylvania Philadelphia....”
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    Pollution markets in a green country town : urban environmental management in transition
  18. 18
    Published 2007
    In collection: Published Materials
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    Flight 93 national memorial : final general management plan/environmental impact statement
  19. 19
    Published 2010
    In collection: Published Materials
    Government Document Book

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    Capacity enhancement program, Philadelphia International Airport, Philadelphia, Pennsylvania: final environmental impact statement & general conformity determination : submitted pursuant to 42 USC S 4331 et seq. of the National Environmental Policy Act; 49 USC S 47106 (c) (1) (B)
  20. 20
    Author: Contosta, David R.
    Published 2010
    In collection: Published Materials
    Subjects: '; “...Environmentalism Pennsylvania Philadelphia History....”
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    Metropolitan paradise : the struggle for nature in the city : Philadelphia's Wissahickon Valley, 1620-2020

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