1. The Acoustic Properties of Ores and Host Rocks in Hardrock TerranesEaton · Society of Exploration Geophysicists2003PDF1.0 MB
Data Analysis and the Hardrock 100Frantz et al. · National Council of Teachers of Mathematics1997PDF1.9 MB
16. A Review of 16 Years of Hardrock Seismics on the Kaapvaal CratonEaton · Society of Exploration Geophysicists2003PDF2.5 MB
The Hardrock Minerals Industry and the Landscape ArchitectDempsey · Springer Netherlands1979PDF323 KB