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, Volume 1
David Dale Owen · Joseph Leidy · Joseph Granville Norwood · Charles Christopher Parry · Henry Pratten · Benjamin Franklin Shumard · Charles Whittlesey
Jan 1852 · Lippincott, Grambo & Company