"To the northeast is the urban sprawl of the county's older cities. To the southwest are the newer master-planned ones. The ground is the detritus of the last century's wars; endless concrete, abandoned hangars, tumbleweeds and dirt.
"It is kind of an accident of history that all this land, in the center of a major metropolitan county, would have gone undeveloped for all this time," Agran says.
Great Park backers hope their park will be compared to Central Park, Golden Gate Park and Balboa Park."