อ้างอิง ของ รัฐแอละแบมา

  1. ↑ Stephens, Challen (19 October 2015). "A look at the languages spoken in Alabama and the drop in the Spanish speaking population". AL.com. สืบค้นเมื่อ 21 September 2016.
  2. ↑ "State of Alabama". The Battle of Gettysburg. สืบค้นเมื่อ July 21, 2014.
  3. ↑ "Population and Housing Unit Estimates". U.S. Census Bureau. June 22, 2017. สืบค้นเมื่อ June 22, 2017.
  4. ↑ "Median Annual Household Income". The Henry J. Kaiser Family Foundation. สืบค้นเมื่อ December 9, 2016.
  5. ↑ "Cheehahaw". NGS data sheet. U.S. National Geodetic Survey. สืบค้นเมื่อ October 20, 2011.
  6. 1 2 "Elevations and Distances in the United States". United States Geological Survey. 2001. Archived from the original on October 15, 2011. สืบค้นเมื่อ October 21, 2011.
  7. ↑ Elevation adjusted to North American Vertical Datum of 1988.
  8. ↑ https://www.edpa.org/wp-content/uploads/Alabama-Transportation-Overview-1.pdf
  9. ↑ https://web.archive.org/web/20120910132303/http://quickfacts.census.gov/qfd/states/01000.html
  10. ↑ Thomason, Michael (2001). Mobile: The New History of Alabama's First City. Tuscaloosa: University of Alabama Press. pp. 2–21. ISBN 978-0-8173-1065-3.
  11. ↑ https://web.archive.org/web/20130117053325/http://www2.dir.alabama.gov/projections/Occupational/Proj2018/Statewide/alabama2008_2018.pdf

แหล่งที่มา

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