"From 190 to 230 million years ago" . . . . "From 65 to 230 million years ago" . . . . . . . . "Stratigraphy of the Star Peak Group (Triassic) and overlying lower Mesozoic rocks Humboldt Range, Nevada"@en . "Stratigraphy of the Star Peak Group (Triassic) and overlying lower Mesozoic rocks Humboldt Range, Nevada" . . . . . . . . . . "Stratigraphy of the Star Peak Group (Triassic) and overlying lower Mesozoic rocks, Humboldt Range, Nevada" . . . . . . . . . "Stratigraphy of the Star Peak Group <Triassic> and overlying lower Mesozoic rocks, Humboldt Range, Nevada" . . "Geological Survey (U.S.)," . .