| 1. | Funding for the additions was provided by the federal Works Progress Administration.
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| 2. | It was built by the Works Progress Administration and opened in 1936.
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| 3. | The building was expanded as part of a Works Progress Administration project.
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| 4. | Development of the Demonstration Area was undertaken by the Works Progress Administration.
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| 5. | It was developed by the Works Progress Administration in 1935 and 1937.
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| 6. | The Works Progress Administration followed and made a survey for this project.
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| 7. | In 1937, the bear exhibits were built under the Works Progress Administration.
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| 8. | Major renovations were done by the Works Progress Administration in the 1930s.
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| 9. | The Works Progress Administration built the terminal building between 1935 and 1936.
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| 10. | Stone fireplaces were added in the 1930s by the Works Progress Administration.
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