List of old-growth forests

Columns: State | Area | Old-growth extent | WWF ecoregion | Old-growth forest type
California | Big Basin Redwoods State Park | 10,800 acres ( 4,400 ha ) | Northern California coastal forests | Coast Redwood | California | Henry Cowell Redwoods State Park | 200 acres ( 81 ha ) | Northern California coastal forests | Coast Redwood , Coast Douglas-fir , Pacific Madrone , Ponderosa Pine | California | Headwaters Forest Reserve | 3,088 acres ( 1,250 ha ) | Northern California coastal forests | Coast Redwood | California | Blue oak woodlands | 500,000-2,300,000 acres ( 200,000-930,000 ha ) | California interior chaparral and woodlands | Blue Oak | California | Angeles National Forest | 29,000 acres ( 12,000 ha ) | California montane chaparral and woodlands | Jeffrey Pine , Coast Douglas-fir , Ponderosa Pine , White Fir , Lodgepole Pine | California | Eldorado National Forest | 122,000 acres ( 49,000 ha ) | Sierra Nevada forests | Coast Douglas-fir , Ponderosa Pine , White Fir , Lodgepole Pine , Red Fir

Example questions:
When was the area on the list designated a wilderness that is in the state that is the 24th-most populous of the United States ? | How many residents are in the state that has the old wilderness area containing the largest plug dome volcano in the world ? | Who were the first non-natives to inhabit the state that has an old wilderness area that contains the Coast Mountains ? | What is the capital of the state that contains a wilderness area with an international border ?

Answers:
1975 | 39.5 million | The Russians | Juneau