Bragg, Thomas B.; Stubbendieck, James (ed.) / Prairie pioneers : ecology, history and culture : proceedings of the Eleventh North American Prairie Conference held 7-11 August 1988, Lincoln, Nebraska
Rothenberger, Steven J.
Extent of woody vegetation on the prairie in eastern Nebraska, 1855-1857, pp. 15-18 PDF (1.7 MB)
Copyright 1989, University of Nebraska.| For information on re-use see: http://digital.library.wisc.edu/1711.dl/Copyright