USGS: Mineral Resources On-Line Spatial Data: Nonmetal

Nonmetal

Nonmetallic mineral resources

Subtopics:

Abrasive (1 items)

Aggregate, Light Weight (1 items)

Asbestos (8 items)

Barium-Barite (2 items)

Boron-Borates (1 items)

Clay (2 items)

Fluorine-Fluorite (2 items)

Gemstone (4 items)

Graphite (1 items)

Gypsum-Anhydrite (3 items)

Limestone (1 items)

Phosphorus-Phosphates (7 items)

Potassium (1 items)

Sand and Gravel (6 items)

Sodium (1 items)

Stone (1 items)

Sulfur (1 items)

Talc-Soapstone (5 items)

Travertine (1 items)

Vermiculite (1 items)