Mines.

The Impacts of Small-Scale Gold Mining on Food Security in Ghana. by: (書目-電子資源)

Farming.

Geographic information systems.

Crops.

Maps.

Mines.

Mining.

Public policy.

Social sciences.

Power.

Land use planning.

Agronomy.

Information technology.

Sustainability.

Landsat satellites.

Aerospace engineering.

Area planning & development.

Sub Saharan Africa studies.

Information science.

Agriculture.

Remote sensing.

Medical research.

Geographic information science.