Territory of Nebraska / by H.D. Rogers & A. Keith Johnston ; engraved by W. & A.K. Johnston.Rogers, Henry D. (Henry Darwin), 1808-1866[1857?]"Entered in Sta. Hall London. ̲̲& according to act of Congress, in the year 1857 by H.D. Rogers in the Clerks Office of the District Court of Massachusetts."Appears in Rogers, H.D. and Johnston, A.K. Atlas of the United States of North America. London: J. Murray, 1857.cartographic