<P> At level V some 43 clay tablets were found of which 27 were preserved in one piece . They contained primarily accounts, like those discovered at temporary Proto - Elamite and Uruk period sites in western Iran and Mesopotamia . </P> <P> Traces of wine and beer found in ceramics dated to c. 3100 - 2900 BC and along with the findings at Hajji Firuz Tepe, provide evidence of the early production of those beverages in the Zagros Mountains . Some Kura - Araxes culture potsherds also seem to appear in association with wine making . </P> <P> Level IV (3000 - 2650 BC) represents the "invasion" of the northern Yanik - culture (or "Transcaucasian Early Bronze I culture", also known as Kura - Araxes culture), well known from Yanik Tepe, Iran, near Lake Urmia . (Nevertheless, some other Kura - Araxes potsherds were found in yet deeper layers going back to late fourth millennium BCE .) </P> <P> The only notable architectural remains of this period consist of a number of plastered hearths . T. Cuyler Young Jr. defined three main groups of pottery for Level IV . Two of these groups belong to Transcaucasian Early Bronze Age Culture . One of these groups bears two types of coarse ware tempered with coarse grit . One of these types is characterized by a grey - black burnished surface mostly with contrasting colours in the interior and exterior of the vessels . This type of coarse ware was used for producing bowls entirely . Conical bowls decorated with incised and excised designs are common; the incised designs are occasionally filled with a whitish paste . The second type of coarse ware is lighter in colour, often tan or pinkish buff . The surface of the vessels is either burnished or plain . Besides bowls there are jars with protruding rims and concave or recessed necks . </P>

How was wine identified at the godin tepe site