Columbia subject headings:
Harvard subject headings:
Aggregates (Building materials)--Nova Scotia--Colchester (County)
Aggregates (Building materials)--Nova Scotia--Comberland County.
Aggregates (Building materials)--Nova Soctia--Comberland County.
Princeton subject headings:
Aggregates (Building materials)--Nova Scotia--Colchester (County).
Aggregates (Building materials)--Nova Scotia--Cumberland (County).