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Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G / prepared for Environment Ontario by P.A. Zippi ... [et al.].
By: Zippi, P. A. - Ontario Water Resources Commission. - Ontario.
Publication info: [Toronto] :Environment Ontario,1991.
Contributed by: Ontario Ministry of the Environment (archive.org)
Subjects: Acid pollution of rivers, lakes, etc Lake sediments Ontario Palynology Zygnemataceae
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Paleoecology of the Hay Hollow site, Arizona / Vorsila L. Bohrer, Assistant Professor, Biology, University of Massachusetts. Foreword: Paul S. Martin, Chairman Emeritus, Anthropology.
By: Bohrer, Vorsila L. - Martin, Paul S.
Publication info: [Chicago]Field Museum of Natural History,1972.
Contributed by: University of Illinois Urbana Champaign
Subjects: Arizona Hay Hollow site Hay Hollow site, Ariz Paleoecology Palynology
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