Series: University of California Publications in Geological Sciences Volume: 143
By: Daniel I Axelrod
160 pages, 23 b/w plates, 6 line illus, 2 tabs
This flora of 70 species is dominated by deciduous trees, many with descendants in China. Precipitation was 890 mm, mean annual temperature 12.5degreeC, the annual range 10degreeC, and freezing rare. Elevation was about 1000 meters. Comparison with the Horse Prairie flora, 30 miles east and across the present continental divide, indicates that the divide was then low and discontinuous, with warmer climate to the east.
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