For example, nitrates account for 20-40 percent of visibility impairment in national parks and wilderness areas in Southern California.
The parks and wilderness of Southern California have nitrates count for about 20-40 percent of visibility impairment.
There is no visibility impairment in the wilderness areas of Southern California.
The man is wearing a black coat.
I am a rural lawyer.
Kid is wearing a jacket.
Two football players tackle each other
There are men getting some exercise.
Some of the pressure groups are concerned about the spot.