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ASPHALT Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-13
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat.I Long.: 40.352884/-104.72717
<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: 42 ft bgs
<br /> GRAPHIC DEPTH TO E
<br /> W a LOG WATER DESCRIPTION SAMPLES COLLECTED WATER w^
<br /> 0E Gr
<br /> 0 Ground Surface 4,685
<br /> _ Overburden(Topsoil) 4,664
<br /> 2 4,663
<br /> 3= 4,662
<br /> 4_ Sand with little gravel,brown,fine to medium grained sand,dry,no odor 4,661
<br /> 5 1 4'660-
<br /> "'" Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with -
<br /> e some medium to fine grain sizes(sand size coarsening with depth),wet, 4,859=
<br /> 7_ :'»»'<:,: no odor 4,658_
<br /> g 4,657_
<br /> g= 4,656_
<br /> 10= 4,655=
<br /> 11 Gravelly sand,orangish-brown,coarse grained sand[1/4-inch minus]with 4,e54_
<br /> little fines,wet,no odor
<br /> 12= 4,653_
<br /> 13= 4,652_
<br /> 14= 4,851=
<br /> 15_�::.?_::R::::,:::,::: 4,650_
<br /> 18 4,649_
<br /> •
<br /> 17 4,648_
<br /> 18 4,647_
<br /> 19 4,646
<br /> 20_ 4,645_
<br /> 21 "" No Samples Collected from TH-13 °'&'a-
<br /> 22-;:;:;a;><>7:}::? 4,643
<br /> -' " . Gravelly sand,brown,coarse grained sand with slight increase in%fines, -
<br /> 23_: a,eaz
<br /> • :::: : ::_wet,no odor =
<br /> 24_[_[a_>t'[ [s:[ 4,641 _
<br /> 4,640
<br /> 26_ 4,639_
<br /> Gravelly sand,orangish-brown,coarse grained sand with little fines,wet, -
<br /> 27_:`:)>:::: n0 odor 4,638_
<br /> 28_::-:::::'::2::: 4,637_
<br /> 29_ 4,638_
<br /> 30 -30 ft bgs=Slight increase in%gravel[1/2 to 3/4-inch minus] 4,635
<br /> 31= 4,634_
<br /> 32_:>:.>:.>:.:::::::.:.:: 4,633_
<br /> 33= 4,632_
<br /> 34= 4,631 =
<br /> 35= : 4,630_
<br /> 4,629
<br /> 4,628
<br /> 38= 4,827•
<br /> 39= 4,628
<br /> 40= 4,625
<br /> 41 4,624_
<br /> 42_::�:i:f:f:f:[:f;f:[.:Gf 4,823=
<br /> 43 -IIIIIIIIIIIIIIIlfllllIII Top of shale encountered at approx.42 feet bgs=Boring TH-13 Total Depth 4622=
<br /> 44= 4,621_
<br /> 45 4,620
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