<span>While only a small percentage of the population works on farms, nearly half of the land is devoted to agriculture.
Actually, "A Primer on Land Use in the United States," from 2017, published by the US Department of Agriculture, listed 52% of land used for agriculture in 2012 (the most recent data available at the time the article was issued).
Known coal supplies in the US account for about one-fourth of the world's available coal supply.
North Dakota and Alaska are strong producers of oil and gas, and they're not in the Southwest where other major oil states tend to be found.
The lumber industry has a strong presence in the West and Northwest.
