Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ruins of León Viejo' has mentioned 'Iron' in the following places:

Occurrence Sentence	Text Source
The presence of cultural materials belonging to the early colonial period in the site, in relation to utensils is almost zero, the sample is reduced to a few nail fragments from coffins and probably iron remains and nails used in the construction of buildings.	WIKI