Page 229 - Manual for Activities directed at the Underwater Cultural Heritage
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 or intervention are to be taken. It is on the basis of that overview that information on the site can understandably be communicated. This is the me- ssage that Rule 27 wants to convey. The rule is very clear on the fact that the original position of items that are moved or removed should be documented in relation to the site-plan or overview. Furthermore, it mentions the importance of field notes, plans, drawings, sections, and photographs or recording in other media. All phases of planning, implementation and evaluation should be documented and evaluated to assess significance and effectiveness. The impor- tance of well-documenting all project information is accordingly emphasized.
Documentation techniques
Once the compilation and documentation of back- ground information is complete, and following the decision to undertake an archaeological intervention
 © A. Rey / UNESCO. Students of the UNESCO Training Course in Advance Recording Techniques for the Underwater Cultural Heritage, in Guanabo, Cuba, 2012.This programme aimed
the provision of the necessary skills to help in the protection and recording of the underwater cultural heritage in Latin America and the Caribbean Region. Here two students are practicing mapping sites with direct survey measurement before applying the methods under water.
© Robert Moskovic´. Fotodocumentation of the Croatian Conservation Institute. Test pitting with the aid of firm grid at Lake Hutovo blato near Cˇapljina, Croatia.
A prospection technique which can be used on large area projects is that of test pitting. Ideally this will consist of the excavation of trial pits (This may for instance
in 1.5 x 1.5 m) on a regular pattern which may be a 50 m grid. Full details will however
vary from site to site and must
be agreed in detail with the planning archaeologist.The general standards and methods of work should conform to those for trial excavation as outlined above.
This site has been known since the 1970s, but intensive and systematic rescue archaeology
has only been carried out recently.Tons of amphora sherds (Lamboglia 2 type amphora, 1st century BC) have been found,
a prehistoric bronze axe and
over 200 amphora plugs. It is not known for now whether these are from a shipwreck or a port at the site. Lake Hutovo blat was, namely, joined to the Neretva River navigation route in Roman times, and thereby with the Roman commercial centre of Narona.
A prehistoric layer with Cetin culture pottery from the early Bronze Age was found under
the Roman period cultural layer during the excavation.
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