Cajon Pass Scientific Drilling Questions? See our Frequently Asked Questions. Holes Cajon Pass 1-26 Cajon Pass 2-26 Tools act (Aluminum Clay Tool) bhc (Borehole Compensated Sonic Tool) caliper (Caliper Log) cdl (Compensated Density Log) cntg (Compensated Neutron Tool) dil (Dual Induction Log) dll (Dual Laterolog) gr (Natural Gamma Ray Tool) gst (Induced Gamma Ray Spectrometry Tool) ldt (Lithodensity Tool) ngt (Natural Gamma Ray Spectrometry Tool) sdt (Sonic Digital Tool) (re-sort tools by full name) Measurements acoustic waveforms borehole diameter depth match density geochemistry gamma ray porosity resistivity velocity (Vp and Vs) velocity (Vp) Hit Clear to reset parameters between separate queries
