Interesting Google Map satellite image:
http://maps.google.com/?ie=UTF8&ll=29.524067,-95.22331&spn=0.002061,0.002977&t=k&z=19
http://maps.google.com/?ie=UTF8&ll=29.524067,-95.22331&spn=0.002061,0.002977&t=k&z=19