ACKNOWLEDGMENTS
THE greater part of the Original Manuscript Journals of
Meriwether Lewis and William Clark, herein literally
followed, are in the library of the American Philo
sophical Society at Philadelphia, and are published by arrange
ment with and at the suggestion of its committee on Historical
Documents.
Several important note-books by William Clark, together
with an Orderly Book, a Field Book, the maps in the
Atlas, and a number of letters, memoranda, etc., are the
property of Mrs. Julia Clark Voorhis and Miss Eleanor
Glasgow Voorhis, of New York, General William Clark's
granddaughter and great-granddaughter, respectively; and are
published by arrangement with them.
The Journal of Charles Floyd is published by consent of the
State Historical Society of Wisconsin, in whose library the
original manuscript is preserved.
The Journal of Joseph Whitehouse was purchased by the
publishers expressly for this work, but now is the property of
Edward Everett Ayer, Esq., of Chicago.
The material in the Appendix is from various sources, as
therein indicated.
