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A S P H A I.T Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-16
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat./Long.: 40.352249/-104.730814
<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: 41 ft bgs
<br /> • GRAPHIC DEPTH TO a E
<br /> ua+' LOG LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER w
<br /> o r
<br /> D Ground Surface 4,667
<br /> _ Overburden(Topsoil) a sss
<br /> 2_ 4,665_
<br /> 3 - Sand,brown,fine to medium grained sand 4,664=
<br /> 4 4,663_
<br /> 5_ I 4,662
<br /> - : : : Gravelly sand,brown,coarse grained sand[#4 minus]with some fines -
<br /> s .;(sand size coarsening with depth),wet,no odor 4,661 _
<br /> 7 4,660_
<br /> 8_•: :};:;.:y}[ 4,659_
<br /> 9_- : : 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 as5s_
<br /> 4,655_
<br /> 13 4,654_
<br /> 4,653_
<br /> 75 '- '` -15 ft bgs=1/2 to 3/4-inch minus 4,652_
<br /> 4,651 _
<br /> 4,650_
<br /> 18_ 4,649_
<br /> 19_}i}}}j}i`}<}: 4,648_
<br /> 20 ' -.''[ 4,647_
<br /> •
<br /> 21 _ •• ` • No Samples Collected from TH-16 4,646_
<br /> 22 4,645_
<br /> 23_-."r,:::::?i:•:?4 4,644_
<br /> 4,643_
<br /> 25_ }:;{.:?i;•i 4,642_
<br /> 26 4,641 _
<br /> 27 :7:•'`':::::::y7: 4,640_
<br /> 4,639_
<br /> •
<br /> 4,638_
<br /> 30 ::""-�" 4,637_
<br /> 31 4,636_
<br /> 4,635_
<br /> 33 4,634_
<br /> 34 4,633_
<br /> 35 4,632_
<br /> 36 4,631 _
<br /> 37_-:;:;•:•:.;•": 4,630_
<br /> 4,629_
<br /> 4,628_
<br /> 4,627_
<br /> 41 4,626_
<br /> 42_-IIIIIIIIIIIIlllllllllllll Top of shale encountered at approx.41 feet bgs=Boring TH-16 Total Depth 4,625_
<br /> 43_ 4,624-
<br /> 44_ 4,623_
<br /> 45 4,622
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