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The ExpeditionPhiladelphia Connections
Astronomy Notebook

Funded in part by a grant from the NPS Challenge-Cost Share Program.

Editor's Foreword Confidential Patterson's Reply Problem One Problem Two Problem Three Problem Four Problem Five Lewis's Notes Hassler's Dilemmas Biddle's Opinions Challenges for Hassler Persistent Hope label 1


 
From Discovering Lewis & Clark ®, http://www.lewis-clark.org © 1998-2014
by The Lewis and Clark Fort Mandan Foundation, Washburn, North Dakota.
Journal excerpts are from The Journals of the Lewis and Clark Expedition, edited by Gary E. Moulton
13 vols. (Lincoln: University of Nebraska Press, 1983-2001)