Quarries and pits fuel growth by providing the necessity of construction: Aggregate. That’s usually sand, gravel, clay, earth ...

Some, like the one in Section 30, primarily produced sand and gravel. Yacolt Mountain produces crushed rock. Builders need a variety of sources to meet their construction needs.

Manufactured sand is currently only able to meet a fraction of New Zealand’s need for sand and naturally-sourced supplies will be required for many years, says the Aggregate and Quarry Association.

Lasioglossum dotatum preferred nesting in pots covered with rock gravel over those with bare sand. Freya Marie Jackson, CC BY-NC-ND A simple, practical approach to conservation.