This court once was home to 12 residential houses. In 2008 the nearby Deer Creek flooded this neighborhood and all the homes were bought out by government. Because of the flooding, this area must remain green space.
I hope you enjoy this area and stay a bit to see some dogs frolicking about.
More information about the dog park and former neighborhood:
http://www.stltoday.com/news/local/metro/haddington-court-in-clayton-is-being-demolished/article_1c54c093-039d-5041-87a9-151828cfd370.html
http://www.claytonmo.gov/Government/Departments/Parks_and_Recreation/Parks/Anderson_Park.htm
http://www.westendword.com/Articles-Area-News-c-2012-12-18-184388.114137-Land-Made-Available-For-Clayton-Dog-Park.html#axzz2wefWXcsd
Congratulations to Beezers958 on the First to Find!