Energy and Minerals Science at the Geological Survey. The economy, national security, and standard of living of the United States depend on adequate and reliable supplies of energy and mineral resources. Based on population and consumption trends, the Nation's and World's use of energy and minerals .
IA'S NATURAL RESOURCES. ia is rich in a wide variety of natural resources, including forests, arable (farmable) land, coal, sand and aggregates (rocks), wildlife and aquatic organisms, clean water and air, and beautiful scenery. ia's water resources include groundwater, lakes, reservoirs, rivers, bays, and the Atlantic Ocean.