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ASPHALT Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-6
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat./Long.: 40.35278/-104.73263
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,667 ft amsl
<br /> Phone:303-289-8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 42 ft bgs
<br /> 1pa GRAPHIC DEPTH TO E
<br /> c x LOG LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER G
<br /> o Ground Surface 4,667
<br /> Overburden(Topsoil) 4,666
<br /> 2 - 4,665_
<br /> 3_ 4,664
<br /> 4_ Sand w/some gravel,brown,fine to medium grain sand,dry,no odor 1 4,663_
<br /> Material moist at-4 feet
<br /> 5 4,662
<br /> t +Jf1: Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with
<br /> 6 -s f� 4,661_
<br /> some medium to fine grain sizes(sand size coarsening with depth),wet,
<br /> 7 no odor 4,660_
<br /> -15et 4,659
<br /> g 4,658
<br /> 10_ 4,657
<br /> Gravelly sand,orangish-brown,coarse grained sand[1/4-inch minus]with
<br /> " : little fines,wet,no odor ass6
<br /> 12 4,655
<br /> 13 4,654
<br /> 14 4,653_
<br /> 15 4,652_
<br /> 16 4,651
<br /> 7 4,650
<br /> 18 4,649
<br /> 19 4,648•
<br /> 20 4,647_
<br /> 21 4,646
<br /> 22 4,645
<br /> z3 Composite Sample Collected From 4,644_
<br /> za Material Between 5 to 42 ft bgs 4,643_
<br /> 25 4,642
<br /> 26 4,641
<br /> 27 4,640
<br /> 28 4,639
<br /> 29= 4,638
<br /> 30 4,637
<br /> 31 = 4,636
<br /> 32 4,635_
<br /> 33 4,634
<br /> 34 4,633_
<br /> •
<br /> 35 4,632_
<br /> 36 4,631
<br /> 37 4,630_
<br /> 38 4,629
<br /> 39 4,628
<br /> 40 4,627
<br /> 41 4,626
<br /> 42_ 4,625_
<br /> 43 flBNBBNNIIIIIHI Top of shale encountered at approx.42 feet bgs=Boring TH-6 Total Depth 4,624
<br /> 44 4,623_
<br /> 45 4,622
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