Hale Observatories: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Media added. | Jul 01, 2008 | ||
| Added new Web site: Carnegie Institute of Washington - Mount Wilson Observatory. | Jun 12, 2007 | ||
| Added new Web site: The California Institute of Technology - Palomar Observatory. | Jun 12, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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