Science in Practice Portal

The subject decision contains a useful summary of Supreme Court and Lower Federal Court decisions concerning what constitutes a discovery of a valuable mineral deposit.

Gypsite was distinguished as being a chemical as well as a physical amendment to soils.

Certain Theological properties of bentonites from the Western United States vary with changes in the ratio of exchangeable Na/CaMg.

Investigations of predominantly Tertiary age bentonite deposits in the far western states show that these bentonites are primarily of the Ca and Ca-Na intermediate types.

The Bureau of Land Management's standard criteria for evaluating bentonite allows for the provision of blending samples on a claim in order to achieve quality standards with the product of an inter

Lands in the California Desert Conservation Area (CDCA) were classified according to their potential for geology-energy-mineral (G-E-M) resources using geostatistical techniques and an expert panel

Mining activities have influenced the environment of Public Lands throughout the West.

The Bureau of Land Management's Helium Operations office in Amarillo, Texas, has developed a mass spectrometer method to determine percent-range helium in gaseous mixtures.