Biodiversity Heritage Library
Browse Our Collection by:
By "Pratten, Henry. "
Report of a geological survey of Wisconsin, Iowa, and Minnesota; and incidentally of a portion of Nebraska Territory. Made under instructions from the United States Treasury department.
By: Owen, David Dale, - Leidy, Joseph, - Norwood, J. G. - Parry, C. C. - Pratten, Henry. - Shumard, B. F. - Whittlesey, Charles, - United States.
Publication info: Philadelphia,Lippincott, Grambo & co.,1852.
Contributed by: University of Michigan (archive.org)