@article{1388223, recid = {1388223}, author = {Unruh, John David,}, title = {The plains across : the overland emigrants and the trans-Mississippi West, 1840-60 /}, publisher = {University of Illinois Press,}, address = {Urbana :}, pages = {xvi, 364 pages :}, year = {1982}, note = {"An Illini book"}, url = {http://library.usi.edu/record/1388223}, }