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Up near the top of the Grapevine, where Los Angeles and Kern counties meet, sits the largest contiguous expanse of privately owned land in California.

Sprawling grasslands sprout native and non-native species. Joshua trees with spiky branches clump together. At higher elevations, oak and pine forests blanket hillsides in a thick, green velvet, providing a home to deer, black bears and elk.

Tejon Ranch, a 270,000-acre plot, is one of the last frontiers of relatively undeveloped space in the Los Angeles region.

That may soon change.

Read the full story on LATimes.com.