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40th Parallel Things
Albertas Land Surveying History
Systemic numbering in the Public Land Survey System - Township (United States) - Wikipedia, the free encyclopedia
Map of Oregon and Upper California: 1848. From the Surveys of John C. Fremont.
Oh, the places I'll go.......
#6: Too Close For Comfort
Land Surveying Tools | Land Surveying Equipment | Flickr - Photo Sharing!
Been there, done that
Laundry Day photo by Eino Jokinen Land Surveying Museum
Henry Thoreau Surveying Advertisement - Land Surveyors United