The national parks preserve wild life. Poster for Department of the Interior, National Park Service promoting travel to national parks, showing two bighorn sheep.
J. Hirt for Work Projects Administration Federal Art Project, New York City
between 1936 and 1939 <div style="display: none;">date QS:P,+1936-00-00T00:00:00Z/8,P1319,+1936-00-00T00:00:00Z/9,P1326,+1939-00-00T00:00:00Z/9</div>
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