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Classic usage
Vocabulary level: Upper-intermediate · Flesch–Kincaid grade 11 · 4,285 sentences
Vocabulary level is estimated from word frequency, not an official CEFR classification.
Subjects: National parks and reserves — United States
Words worth knowing: savagery · prospector · mottle · conservation · angler · spectacular · quietude · foothill
Transcriber's Note The punctuation and spelling from the original text have been faithfully preserved.
Only obvious typographical errors have been corrected.
The photograph "The Rainbow Natural Bridge, Utah", facing page 8, is missing from the source document even though presented in the List of Illustrations.
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Classic usage
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