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Ephraim Zimmerman
Ephraim Zimmerman is the author of "Vegetation Classification and Mapping at Allegheny Portage Railroad National Historic Site" and "Distribution and Abundance of Nonnative Plant Species at Johnstown Flood National Memorial and Allegheny Portage Railroad National...
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Books by Ephraim Zimmerman
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Zimmerman, Ephraim
Paperback:
$18.99
Vegetation Classi...
Perles, Stephanie
Paperback:
$19.99