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ASPHALT Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-10
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat./Long.: 40.352938/-104.729034
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,665 ft amsl
<br /> Phone 303-289-8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 41 ft bgs
<br /> E o GRAPHIC DEPTH TO €Ti
<br /> c LOG UTHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER G
<br /> O Ground Surface 4,665
<br /> 1 - Overburden(Topsoil) -
<br /> 4,664-
<br /> 2_ 4,663-
<br /> 3 - „Sand,brown,fine to medium grained sand,dry,no odor -
<br /> 4,662-
<br /> 4 4,661_
<br /> 5 :I_y 4,660-
<br /> _
<br /> = 4,659_
<br /> ' ' Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with -
<br /> '- `` some medium to fine grain sizes(sand size coarsening with depth),wet, 4,658
<br /> 8--'[:':' ::>(I>.no odor 4,657_
<br /> g 4,656_
<br /> 10 4,655-
<br /> 11 4,654-
<br /> 4,653-
<br /> Gravelly sand,orangish-brown,coarse grained sand[1/4-inch minus]with -
<br /> 13--'``'` •'- • : littl• e fines,slight increase in%gravel,wet,no odor assz
<br /> 14 4,651 -
<br /> 15_::::::%;:::::::';:::;: 4,650-
<br /> 18 4,649-
<br /> 17 4,648_
<br /> 18 4,647-
<br /> 19 4,648-
<br /> 2p--;:;i?:i;:jj.?:;:� 4645-
<br /> 21 - No Samples Collected from TH-10 4 g4y=
<br /> 22 4,643-
<br /> 23 4,642-
<br /> 24--:<Gi: `j':`i;j: 4,641-
<br /> 25 4,640-
<br /> 26 4,639-
<br /> 27 4,638-
<br /> 28_-''"';:;;;_:_. 28 ft=1/2 to 3/4-inch minus 4,637__
<br /> 29_-;'::;:::: ::: 4,636_
<br /> 30 4,635_
<br /> 31 4,634-
<br /> 4,633-
<br /> 33--:. • .i:•::.: 4,632-
<br /> 34 4,631 -
<br /> 35 4,630-
<br /> 38 4829-
<br /> 37 4,628-
<br /> 38 4,627-
<br /> 39 4,626-
<br /> 40 4,625-
<br /> 41 4,624-
<br /> 42 -HIIIIIIHIIIIIIIIIIIIIIITop of shale encountered at approx.41 feet bgs=Boring TH-10 Total Depth 4,623_
<br /> 43= 4,622-
<br /> 44 4,621-
<br /> 45 4,620
<br />
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