Sunday, 26 September 2010
Wednesday, 22 September 2010
Monday, 20 September 2010
CHUCKANUT DRIVE: EOCENE TROPICAL PARADISE
The siltstones, sandstones, mudstones and conglomerates of the Chuckanut Formation were laid down about 40-54 million years ago during the Eocene epoch, a time of luxuriant plant growth in the subtropical flood plain that covered much of the Pacific Northwest.
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