June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.

June 25, 2009 A team of California State Parks archeologists work at a dig at the Los Angeles State Historic Park. This is the site of the Southern Pacific Railroad's River Station "car shop" where new train cars were built from the ground up.