Possible Clues:

• Lincoln's st.
• Lincoln's home: Abbr.
• S. Dak. neighbor
• The Cornhusker st.
• Hastings, ___, where Kool-Aid was invented: Abbr.
• Neighbor of Colo.
• Col. neighbor
• Cornhusker's state, briefly
• Lincoln's state: Abbr.
• Cornhusker St.