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Trench Layout

The boundaries of CA 73 were laid out by a baseline extended from 39 S, initially laid out using a baseline shot with the transit off the grid point PC 1 and a second baseline extending from it at a ninety degree angle. Using triangulation a two by three meter trench was established with the northwest corner at a location of 63E/34S.

The coordinates of the four corners of CA 73 at the start of the 2012 season are as follows:

NW corner: 63E/34S

NE corner: 66E/34S

SE corner: 66E/36S

SW corner: 63E/36S

A datum point with an absolute elevation of 27.83 meters was established on a tree along the eastern wall of CA 73 and shared with CA 72.

Drawing of 2012 CA Trenches

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Suggested Citation

Andrea R. Rodriguez. "ARR IV (2012-07-03):13-16; Trench Layout from Italy/Poggio Civitate/Civitate A/Civitate A73/2012, ID:656". (2017) In Murlo. Anthony Tuck (Ed.) . Released: 2017-10-04. Open Context. <>

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