What's the
Issaquah Delta
doing up there?
Teaching about the Ice Age in the Puget Sound
lowland
Doc "O"
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What happens if you plug your bathtub
drain?
- How big a mess can you make as the water
spills out of the tub?
- Ice plugged the drain in Puget
Sound.
- It made a mess here - but now it is
lovely.
- Maybe it will happen again.
- How do we know?
- What is the evidence we can find on the hills
around us?
- Meredith Olson, a science teacher at Seattle
Country Day School, has written a very commendable book
about the "Issaquah Delta", titled: "What's the Issaquah
Delta doing up there?". Meredith has researched this
topic most impressively, drawing from Hoover Mackin,
Bates McKee, Maurice Ewing, William Donn, and Derek
Booth, to name just a few of her sources. Her impressive
scientific knowledge and experiences are also reflected
in this presentation; she has served as an educational
consultant to the Pasadena Jet Propulsion Laboratory,
NASA, and UNESCO. Using many photographs, some with the
Ice Age glaciers drawn into them, she first presents the
problem (see the title!), examines the wealth of the
evidence, and brings this all together in her
photographic conclusions; a fine example of the
scientific reasoning process. I highly recommend it for
all Puget Sound and/or glacially inclined geologists and
teachers, !!!
-
Donn Charnley, Professor Emeritus of
Geology
Wash. State Legislator and Senator,
Retired Life Member, Geologic Society of
America
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