Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic City of Vigan' has mentioned 'Coastal plain' in the following places:
Occurrence Sentence Text Source
Vigan is situated in a Quaternary Age sedimentary plain called the Vigan-Bantay Plain which is part of the Ilocos coastal plain.
The Vigan-Bantay Plain is bounded on the east by a moderately rugged Miocene sediments consisting of interbedded sandstones and shale to very rugged Meta-volcanics and Meta sediment topography; on the south is the Municipality of Santa where the northxe2x80x93south trending fault terminates; to the west is the South China Sea; while the northern boundary opens to the northern extension of the Ilocos coastal plain.