From the NASA journal: “By clearing forest so that a pattern would be visible to landing aircraft, a landowner...created a target that is also useful for evaluating spatial resolution of astronaut photographs. The forest was selectively cleared in order to spell the landowner’s name ‘LUECKE’ with the remaining trees”
Nearby cities: San Marcos, Texas, Austin, Texas, Bryan, Texas
Coordinates: 30°4’59”N 97°8’28”W
Other interesting things on Google Earth
http://tinyurl.com/Google-Earth-Oddities