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A S P H A I,T Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES C O. Log of Boring: TH-3
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat.I Long.: 40.351549/-104.736165
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,672 ft amsl
<br /> Phone 303-289-8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 40 ft bgs
<br /> Ern GRAPHIC DEPTH TO IE E
<br /> w' LOG LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER W
<br /> p O r
<br /> 0 Ground Surface 4,672
<br /> 1 - Overburden(Topsoil) 4,671
<br /> 2= 4,670-
<br /> 3= 4,689
<br /> 4_ 4,668
<br /> 5_ Sand,brown,fine to med.grain[#4 minus],little gravel,dry,no odor 1 4667=
<br /> Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with -
<br /> 8-f'1::::::::: 4,666-
<br /> some medium to fine grain sizes(%fine sand decreasing with depth),
<br /> 7 wet,no odor 4,665_
<br /> 8 4,664-
<br /> g 4,663
<br /> 10 4,662
<br /> - `Gravelly sand,orangish-brown,coarse grained sand[1/4-inch minus]with -
<br /> little fines,wet,no odor
<br /> 12 - 4,660
<br /> 13 4,659
<br /> 14 4,658
<br /> 15- _15to20ft=1/2to3/4-inch minus 4,657_
<br /> 16 4,656
<br /> 17 4,655
<br /> - •
<br /> >:?ti
<br /> 18_ :}�Z 4,654-
<br /> 19_-: ::::::::::::-- 4,853-
<br /> 20 No Samples Collected from TH-3 4,652_
<br /> 21 hi 4,851
<br /> 22 - ' 'grY+i 4,650
<br /> - ,: 4,649
<br /> 24 - ? ..ti 4,648
<br /> xiti
<br /> 25 4,647
<br /> 26 4,646
<br /> 27_ 4,645
<br /> 28 4,644-
<br /> 29 4,643-
<br /> 30 4,642_
<br /> 31 4,641-
<br /> 32 4,640
<br /> 33 4,639
<br /> 34-::::':';':::::: : ;: 4,638-
<br /> 4,637-
<br /> 36 :::::�:::::::::::�:::�:: 4,636
<br /> 37 4,635
<br /> 38-- •:i
<br /> 4,634-
<br /> 39- 4,633
<br /> 40- 4,632-
<br /> a, _NNNNNNNIllllllIII Top of shale encountered at approx.40 feet bgs=Boring TH-3 Total Depth 4,631 -
<br /> 42_ 4,630-
<br /> 43- 4,629
<br /> 44= 4,628-
<br /> 45 4,627
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