: Instructions on making reconnaissance surveys, describing outcrops, and recording observations using compasses.
: Finding groundwater sources and identifying mineral hazards like radon or mercury. Book Details Geologic Maps A Practical Guide To Preparation And - Scribd Geologic Maps: A Practical Guide to Preparation...
: Deducing the location of earthquake faults, landslides, and areas prone to sinkhole collapse. : Instructions on making reconnaissance surveys