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[Copied from statesmanjournal.com via google news]

For any of you who can get to Oregon this weekend, there's a lecture on the
navigation of Lewis and Clark. I understand that this is for the general
public (and therefore probably very basic), but I'm sure it would still be
of interest for NavList members. I called the phone number listed in the
press release and confirmed that this is, in fact, happening this Sunday,
January 21.

 -FER

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Lewis and Clark lecture is Sunday

January 17, 2008

Bob Duke will talk about "Celestial Navigation of Lewis and Clark" at 1 p.m.
Sunday, part of the "In Their Footsteps Lecture Series" at Fort Clatsop
Unit, Lewis and Clark National Historic Park, four miles west of Astoria.

The free lecture will be in the Netul Room at the visitor center. Admission
to the park is waived for people who attend the lecture series.

Visitors will discover and gain an understanding of the complex scientific
aspects of celestial navigation, which was a key part of the Corps of
Discovery's mission because President Jefferson instructed Meriwether Lewis
to "take observations of latitude and longitude, at all remarkable points on
the river, especially at the mouths of rivers, at rapids, at islands and
other places."

Duke will introduce the audience to the instruments and technology of the
celestial navigation of two centuries ago and pose the question of whether
Captains Lewis and Clark fulfilled Jefferson's assignment.

A portion of the program will take place inside a portable planetarium that
will be set up in the room. Duke is a historian, a long-time National Park
Service volunteer, and has been an avid amateur astronomer for 36 years.

Fort Clatsop is open 9 a.m. to 5 p.m. through the winter. Admission -- other
than for the free lecture series -- is $5 for anyone 16 or older. Most
activities are free with paid admission.

For information, call (503) 861-2471, Ext. 214, or go to www.nps.gov/lewi.
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