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Terms for subject Earth sciences containing District of Columbia | all forms | in specified order only
| English | Chinese |
| District of Columbia | 哥伦比亚特区美 |
| Environmental Protection Agency-District of Columbia | 美国环境保护局哥伦比亚分局 |
| Washington, District of Columbia | 哥伦比亚特区华盛顿市美 |