Series: | CRS report ; R44024. |
Publisher:
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[Washington, D.C.] : Congressional Research Service, [2018?]- |
Edition: |
[Library of Congress public edition]. |
Phys. Desc.: |
1 online resource. |
Digital Content: |
Click for online content. |
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Publisher:
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Washington : U.S. Government Printing Office, 2011. |
Phys. Desc.: |
1 online resource (vi, 319 pages) : illustrations, maps |
Digital Content: |
Click for online content. |
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Publisher:
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Washington, D.C. : National Center for Environmental Assessment, Office of Research Development, U.S. Environmental Protection Agency, [2009] |
Phys. Desc.: |
1 online resource (viii, 29 pages) : digital, PDF file |
Digital Content: |
Click for online content. |
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Publisher:
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Washington : U.S. G.P.O., 2009. |
Phys. Desc.: |
1 online resource (iv, 84 pages) : illustrations. |
Digital Content: |
Click for online content. |
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