OCR Text |
Show Geological Deductions. The methods used by geologists in working out the distribution or ground waters ate complex, but it is noteworthy note-worthy that among llie most significant signifi-cant eriteria used are the fossil re mains occurring in the dinerent beds. Each one ot" tne geoiogic hoiiions usually usu-ally has its distinctive fossils, and by an accurate knowledge ot these ves-' ves-' lilies of organisms the geologist Is aid-1 aid-1 ed in recognizing particular geologic ' .'..'filiations. In this way he may be - abie to determine, by means of the , samples taken from the bora, the 5 depth ot a certain aur horUon, |