Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Taos Pueblo' has mentioned 'Spruce' in the following places:
Occurrence Sentence Text Source
Engelmann Spruce logs (or vigas) supported roofs that had layers of branches, grass, mud, and plaster covering them.
Coronado also changed the roof structure, to use 2" to 4" inch aspen saplings branches installed at a right angle to the Engelmann Spruce vigas, then 2" to 3" inches of adobe plaster was applied, topped off with up to half a meter of loose soil ( about 18" inches thick ) for insulation and structural strength.