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| Outreach in the Western Region |
| circa 1960 Triangulating in the Cascades. High Resolution Download File (TIF) 5.41MB 
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| U.S. Department of the Interior | U.S. Geological Survey URL: http://online.wr.usgs.gov/outreach/historicPhotos/enlarged/archive_FT080.html Page Contact Information: Western Region Web Team Page Last Modified: Monday, 29-Aug-2005 13:49:37 EDT (mdg) |   |