Creating a grid system is basic to most archaeological sites. Surveying tools are used to create an accurate field, usually with one-meter or half-meter baulks left between the excavation rectangles. In this way levels are uncovered one at a time, with the baulks left until a new level is reached.
Image from: http://www.geocities.com/ra_anana/
Another grid site is in Salonica (Thessaloniki) in northern Greece, the Roman Agora, which is in the middle of the modern city. (ivison slide)
THE PLANSPhysical characteristics such as walls and floors are recorded for each level, and a plan is produced showing the different occupation features.
Each level is recorded separately, begining with the lowest, here shown in red. Subsequent levels are superimposed on the first plan.
The complete plan shows all levels, distinguished here in different colors.
Images from Isthmia site: http://isthmia.ohio-state.edu/visual.html
WEB SITES FOR ARCHAEOLOGYAlexandra Archaeology Museum
Castle Rock Pueblo Chronology
Who were the Sea Peoples?
Sea Peoples Fortified City in Israel
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