We Proceeded On, Vol. 16, No. 4, November, 1990. This issue is the official publication of the Lewis and Clark Trail Heritage Foundation, Inc. The articles of major interest in this issue are:
The Humboldt Connection. (A Prussian geographer's effect on the records of Lewis & Clark.)
The Role of the Glass Journal. (Another recorder of events at the time of the Lewis & Clark expedition.)
31/Softbound/Illustrations/Photographs.