Search U.S. government technical reports digitized or harvested by TRAIL.
An experimental mine-sampling project designed for statistical analysis
Statistical analysis of diamond-drill sample data from the Cabolla Creek titaniferous iron deposit, Gunnison County, Colorado
Application of statistical analysis in evaluating bedded deposits of variable thickness--Florida phosphate data
Drilling and Sampling Tertiary Gold-Bearing Gravels at Badger Hill, Nevada County, California