Chevrons-new-50-story-tower-on-site-of-downtown-y-bigger-boxier-just-as-blue

http://swamplot.com/chevron%E2%80%99s-new-50-story-tower-on-site-of-downtown-y-bigger-boxier-just-as-blue/2013-07-03
Looks more like the height of a 60-65 story office tower.
http://houston.culturemap.com/news/real-estate/07-03-13-a-new-50-story-skyscraper-is-rising-in-downtown-houston-oil-giant-makes-use-of-old-ymca-space

http://skyscraperpage.com/diagrams/?cityID=28

https://www.google.com/search?q=1600+Louisiana+Houston&safe=off&source=lnms&tbm=isch&sa=X&ei=wkPyUsu9K4PyoATpgoCQCw&ved=0CAoQ_AUoAg&biw=1280&bih=699

https://www.google.com/search?q=1400+Smith+Houston&safe=off&source=lnms&tbm=isch&sa=X&ei=3inyUoSTC87ioATVo4D4Cw&ved=0CAsQ_AUoAw&biw=1280&bih=699

https://www.google.com/search?q=1500+Louisiana+Houston&safe=off&source=lnms&tbm=isch&sa=X&ei=CkLyUo2aJ47koAS0jIDoBg&ved=0CAoQ_AUoAg&biw=1280&bih=699

http://mabrycampbell.com/2013/01/15/smith-street-skybridge-2

http://www.skyscrapercity.com/showthread.php?t=418269

TX Towers http://skyscraperpage.com/diagrams/?stateID=25