Late Cretaceous and Cenozoic history of North American vegetation : north of Mexico / Alan Graham.
1. Setting the Goal: Modern Vegetation of North America--Composition and Arrangement of Principal Plant Formations. 2. Cause and Effect: Factors Influencing Composition and Distribution of North American Plant Formations through Late Cretaceous and Cenozoic Time. 3. Context. 4. Methods, Principles,...
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