Pera, Arthur Herman.
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creatorOf | Flood plain management papers., 1935-1999 (bulk 1950-1980). | Minnesota Historical Society |
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Filters:
Relation | Name | |
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associatedWith | United States. Army. Corps of Engineers. | corporateBody |
associatedWith | United States. Army. Corps of Engineers. St. Paul District. | corporateBody |
Place Name | Admin Code | Country |
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Subject |
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Environmental protection |
Occupation |
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Activity |
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