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Thoreau taught himself surveying, and made over 150 surveys in the Concord area, including the first accurate rendition of Walden Pond, “before the ice broke up, early in ‘46, with compass and chain and sounding line.”
The term “rod” refers to either an area of 30.25 square yards or a length of 16.5 feet. Thoreau determined that Walden Pond was 175.5 rods long, which is 0.55 miles. What is now called Thoreau’s Cove is at “D”, on the lower right, and the cabin site is marked “House”. The Fitchburg Railroad, at the upper right, was opened to Fitchburg on March 5th, 1845, in the same month that Thoreau moved to Walden. The arrow points north.
Survey Photos by Tag or CategoryEarth's Largest Survey Photos Collection
Since 2007, Land Surveyors around the world have shared their best Surveying Photos from the field. Inside this collection you can transport yourself to virtually any location on Earth and see how Land Surveyors work, types of equipment being used and environmental challenges associates with being a land surveyor in that location.
Location Based Chapter Hubs also have photos specific to the locations they represent. You can use our Surveyor Apps for quick sharing of your photos from the field.
Note: Members who have uploaded their photos of surveying to this collection can also move their photos to location based hubs. To see how, follow this tutorial.
Survey Photos by Tag or CategoryEarth's Largest Survey Photos Collection
Since 2007, Land Surveyors around the world have shared their best Surveying Photos from the field. Inside this collection you can transport yourself to virtually any location on Earth and see how Land Surveyors work, types of equipment being used and environmental challenges associates with being a land surveyor in that location.
Location Based Chapter Hubs also have photos specific to the locations they represent. You can use our Surveyor Apps for quick sharing of your photos from the field.
Note: Members who have uploaded their photos of surveying to this collection can also move their photos to location based hubs. To see how, follow this tutorial.
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