Columbia subject headings:
Archaeological surveying--Peru--Piura (Region)
Archaeological surveying--Peru--Sechura.
Geology--Peru--Surveys.
Indians of South America--Peru--Antiquities.
Piura (Peru : Region)--Antiquities.
Sechura (Peru)--Antiquities.
Harvard subject headings:
Archaeological surveying--Peru--Piura (Department)
Geology--Peru--Piura (Department)
Indians of South America Piura (Dept.)--Peru--Antiquities.
Piura (Peru : Region)--Antiquities.
Princeton subject headings:
Archaelogical surveying--Peru--Piura (Dept.)
Archaelogical surveying--Peru--Sechura.
Geology--Peru--Surveys.
Indians of South America--Peru--Piura (Dept.)--Antiquities.
Indians of South America--Peru--Sechura--Antiquities.
Piura (Peru : Region)--Antiquities.
Sechura (Peru)--Antiquities.