Cascade Tunnel: References & Edit History
Article Contributors
Primary Contributors
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Melissa Petruzzello
Melissa Petruzzello (she/her) is Assistant Managing Editor and covers plants, algae, fungi, insects, spiders, renewable energy and environmental engineering. She also handles certain topics in Christianity, notably Protestant history and churches.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Links added. | Aug 25, 2023 | ||
| Article thoroughly revised. | Oct 01, 2021 | ||
| Add new Web site: HistoryLink.org - The Great Northern Railway Eight-Mile Tunnel is dedicated on January 12, 1929. | Jan 22, 2016 | ||
| Media added. | Sep 12, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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