Jacqueline Williams: Wagon Wheel Kitchens - Food on the Oregon Trail: University Press of Kansas, Lawrence KS 1993: ISBN 0 7006 0609 2: 248 pp, b/w illustrations, foreword by Sam'l P. Arnold, extensive notes including bibliographical references, suggestions for further reading, index, 29. 95, or 14. 95 paperback (for UK/European distribution and prices apply to Eurospan, 3 Henrietta Street, London WC2E 8LU).
Alan E Davidson (Sun,) studied this question.