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SUS SURFACE EXPLORATION PROCcOURES the soil by repeated er Drilling (tlA) into . sample Kand--au s driven i the desired a sampling device i ler is driven to manually In this procedure, When the same then advanced i y reached a Sledgehammer• retrieved. The hole is depth increment bows of le is ling dep helps to clean and depth, the soil sample until the next samp intervals also hand auger o inter the next sample, tur ping the auger drilling between sampling ' preparation for obtaining The hand aug • enlarge the borehole in r Drill�� used to advance the power Au a flight augers are flig a truck or of drilling, continuous advanced by drilling, In this typeand hydraulically In auger They are turned dictates. boreholes. boreholes• as site accessibility to maintain open track —mounted un1t are not -required casing and drilling mud • er Drilling (HS) an open stem Hollow Stem Au flight augers having sampling tools procedure) continuos Open stem allows thxollow stem In this dr ill.ing p boreholes• borehole are used to advance the the augers from the borehole during the without removing to the sides of to be used rovide support augers thus p sampling operations° bits are used to Rotary Drillinn (PB) various cutting drilling methods, surface casing and/or rotary drilling process, In emPloYing In this p advance the b orehom intain open boreholes. fluid is used to formation'- In this Diamond Core Drillin (DB with a diamond bit cuts to sample cemented form The drilling is used core barrel witerial sampled* Diamond core tube (triple tube) risen of the ma rocedure, a double c lindrical prism the bit° Samples recovered by p s ace around a y ust above uential order. -an annular P a catcher containers in seq sample is retrieved laced in sturdy this procedure are P SiS Consultants, Ltd.