We Proceeded On, Vol. 30, No.1, February, 2004. This issue is the official publication of the Lewis and Clark Trail Heritage Foundation, Inc. The articles of major interest in this issue are:
Another "New" Portrait of Patrick Gass (Photograph found among his granddaugter's effects.)
Patrick Gass's Account Book (And what it tells us about the Corps of Discovery sergeant.)
Remembering Patrick Gass (He sang "queer Irish songs" and had a cat named Sacagawea.)
Patrick Gass's Missing Journal (It was almost certainly lost in a flood in the 1880's or 1890's.)
Slaughter River Pishkun (It really was a buffalo jump, just as the captains stated.)
Lost & Found: Discharge Papers of John Shields (Archives yield documents of Corps of Discovery['s gunsmith.)
53/Softbound/Illustrations/Photographs.