Looking at that photo whats happened to the turf on the hill its brown.
Grass has been dead for awhile now
It's not dead. The turf is Santa Ana couch, it goes dormant in the winter and the foot traffic makes it lose its colour.
This is a hybrid. This is a cross, ah, Bluegrass, Kentucky Bluegrass, Featherbed Bent, and Northern California Sensemilia. The amazing stuff about this is, that you can play 36 holes on it in the afternoon, take it home and just get stoned to the bejeezus-belt that night on this stuff. Here, I've got pounds of this