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The Fossil Record
Climate and Topography
8 other sections not shown
abundant Acrididae alpine tundra altitude altitudinal amphibians ants Basement Complex Berthoud Pass bison Boreal Boulder area Boulder region butterflies changes climate coarse Colorado Press common Cretaceous Denver deposited distribution Douglas fir east eastern ecological ecotone elevation environment environmental Eocene fauna feet flora foothills forest Formation Formica forms fossils Front Range Garter Snake genus geologic grass grasshoppers grassland habitat hogback Inoceramus insects known land Limber pine Lizard lodgepole lodgepole pine Longmont Lower Montane mammals meadow miles million years B.P. moist Montane Montane area mountain front natural northern number of species occur Orthoptera Paleozoic Park Piedmont plains plants Pleistocene Ponderosa pine population prairie precipitation record relatively rocks sandstones Sedimentary Succession shales snow soil south-facing slopes stands streams subalpine Submontane temperature tion Toad topography trees Turtle University of Colorado Upper Montane valleys vegetation Volcanism Wandering Garter Snake warm western winds winter zone