Gold Distribution in Diamond-drill Core from the Homestake Mine, Lead, S. Dak

Linear Discriminant Analysis of Multivariate Assay and Other Mineral Data

Test Operation of a Pneumatic Vibrating-blade Planer: A Progress Report on Phosphate Mining Research, Issues 6861-6880

Multiple Zone Mining Plus Beneficiation of Western Phosphate Rock: A Cost Estimate and Comparison with Selective Mining, Issues 7501-7520

Performance of Small Industrial-type Anthracite-burning Stokers: ASME Code Tests, Issues 5605-5608

Report of Investigations: no.7381 to date

Calibration of a Rotating Piston Deadweight Gage by Means of a Mercury Column Less that 1 Meter High: Significance of Piston Constants and Their Applications, Issues 6821-6840

In Situ Tests of Bearing Capacity of Roof and Floor in Selected Bituminous Coal Mines: A Program Report - Longwall Mining, Issues 7401-7420

Low-temperature Heat Capacities and Entropies at 298.15° of Sulfides of Arsenic, Germanium and Nickel: 1963

Analysis of Steelmaking Slags by Atomic Absorption Spectrophotometry Using Pressure Dissolution: 1978-1979

Rapid Method for Determining Lime, Magnesia, and Titania in Blast-furnace Slags and Other Calcareous Materials: 1959

Recovery of Mercury from Cinnabar Ores by Electrooxidation: Extraction Plant Amenability Tests, Issues 8081-8100

Studies on the Spectrochemical Analysis of Solutions: Use of Carrier-precipitation and a Filter Electrode, Issues 6241-6260

Petroleum-engineering Study of Water Injection in Upper HX, Fault Block V-B, Wilmington Field, California

Tracer Gas as an Aid in Mine Ventilation Analysis

Dielectric Constant in Air-ambient Electrostatic Separation

Contact Potential in Electrostatic Separation

Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas

Methane Accumulations in Coal Mine Roof Cavities

Using Sulfur Hexafluoride as a Gaseous Tracer to Study Ventilation Systems in Mines