Slide presentation covering the following items

• Seismic sources – PowerHammer, sledge hammer, explosive, I- beam
• Seismic receivers horizontal-component geophones, vertical component, 40 Hz, 100 Hz
• Seismic reflections (CMP method)
• Shot gathers, common midpoint gathers, hyperbolic arrivals
• Seismic refractions linear arrivals, Snell’s Law, critical distance
• Ground roll (Rayleigh waves) – linear arrival

* Please note that some slides have been excluded to prevent copyright infringement. The remaining slides have been presented at various national professional meetings and can be referenced by citing these abstracts.