1. Changes Over Time: Historical imagery of Phoenix, Kansas City, and Seattle; 1900 to present Delaware Geographic Alliance University of Delaware Dept. of Geography Spring, 2008

2. Phoenix, AZ, c. 2007. Phoenix, AZ, c. 2007.

3. Phoenix, AZ c. 1885. http://pix2.epodunk.com/histMap/az/az_hm_phoenix01.jpg.

4. http://www.acmeron.com/puhs/puhs.htmhttp://www.acmeron.com/puhs/puhs.htm: old photos of academic institutions (CLICK). http://www.acmeron.com/puhs/puhs.htm

5. http://www.airfields- freeman.com/AZ/Airfields_AZ_Phoenix_NE.htmhttp://www.airfields- freeman.com/AZ/Airfields_AZ_Phoenix_NE.htm: change in airfields over time, showing urbanization (CLICK). http://www.airfields- freeman.com/AZ/Airfields_AZ_Phoenix_NE.htm

6. Phoenix c. 2007. http://www.arizona-leisure.com/phoenix-arizona-photo-7.html.

7. Kansas City, MO, c. 2007. Kansas City, MO, c. 2007.

8. Kansas City, MO c. 1903. http://kieffaber.com/Reference%20Maps/KCK1903.jpg.

9. http://www.hellokansascity.com/Photos_Buildings.Cfmhttp://www.hellokansascity.com/Photos_Buildings.Cfm: historic building and panoramic photos of Kansas City (CLICK). http://www.hellokansascity.com/Photos_Buildings.Cfm

10. http://www.hebners.net/amtrak/amtStationK.htmlAmtrakhttp://www.hebners.net/amtrak/amtStationK.htmlAmtrak: Photos of train station and surrounding areas up to present (CLICK). http://www.hebners.net/amtrak/amtStationK.htmlAmtrak

11. Kansas City c. 1953. http://www.texasfreeway.com/houston/historic/photos/images/gulf_freeway_1953.jpg.

12. http://www.aerialskcmo.com/index.htmhttp://www.aerialskcmo.com/index.htm: Kansas City collection of modern aerials photos c. 2007 (CLICK). http://www.aerialskcmo.com/index.htm

13. Seattle, WA, c. 2007.

14. Seattle, WA c. 1884. http://www.epodunk.com/cgi-bin/genealogyInfo.php?locIndex=24992.

15. http://www.airfields- freeman.com/WA/Airfields_WA_Tacoma.htmlhttp://www.airfields- freeman.com/WA/Airfields_WA_Tacoma.html: change in airfields over time, showing urbanization, like Phoenix (CLICK). http://www.airfields- freeman.com/WA/Airfields_WA_Tacoma.html

16. http://www.wsdot.wa.gov/Projects/Viaduct/Photos/Historic al.htmhttp://www.wsdot.wa.gov/Projects/Viaduct/Photos/Historic al.htm: old historical photos of Seattle construction (CLICK). http://www.wsdot.wa.gov/Projects/Viaduct/Photos/Historic al.htm

17. Seattle c. 2007. http://www.gsdt.net/2007-02-01_Garfield_HS_Aerial_View_Looking_West_T.jpg.