Courtesy Nebraska Farmer, dblcropcornTomFritson 036

Various projectile points from the Lime Creek Site, 1993. Courtesy of Keri Hicks, Douglas Bamforth and the University of Nebraska State Museum

Courtesy U.S. Corps of Topographical Engineers

Mapped and named by Major S. H. Long, 1819-1820.

Courtesy of Standing Bear's Footsteps Education Website

Courtesy University of Nebraska State Museum

Courtesy UNL Department of Anthropology

Courtesy Nebraska State Historical Society

Courtesy Nebraska State Historical Society

By Creator:Edgar Samuel Paxson (Personal photograph taken at Montana State Capitol) [Public domain], via Wikimedia Commons

Author: Lewis, Meriwether ; Clark, William ; Biddle, Nicholas ; Allen, Paul Date: 1814 Short Title: Map of Lewis and Clark's Track, Across the Western Portion of North America. Publisher: Philadelphia: Bradford and Inskeep Type: Book Map Obj Heig

By William Smith Jewett (flickr.com/photos/28567825@N03/3407789014/) [Public domain], via Wikimedia Commons

Karl Bodmer [Public domain], via Wikimedia Commons

By Dlm82 at English Wikipedia (Transferred from en.wikipedia to Commons.) [Public domain], via Wikimedia Commons

A sod house from the United States prairie frontier, Wikipedia

Photo by Solomon Butcher; Courtesy Nebraska State Historical Society, RG2608-1377

Courtesy National Records & Archives Administration, 283728

Courtesy National Records & Archives Administration, 283736