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ASPHALT Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-12
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat./Long.: 40.354756/-104.727169
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,664 ft ems!
<br /> Phone 303-289.8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 37 ft bgs
<br /> • DEPTH TO
<br /> GRAPHIC LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER c
<br /> IS
<br /> 0 Ground Surface 4,664
<br /> 1 - Overburden(Topsoil) 4883=
<br /> 2_ 4,662
<br /> 3_ 4,681
<br /> 4 = 4,880-
<br /> - Sand w/gravel,brown,fine to medium grained sand,moist,no odor -
<br /> 5- 4,659-
<br /> e - Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with -
<br /> k some medium to fine grain sizes(%fine sand decreasing with depth), 4656
<br /> - > »:wet,no odor 4,657-
<br /> g 4,856-
<br /> 4,855-
<br /> 10 4,654-
<br /> 11 4,653-
<br /> 12- 4,852-
<br /> 13- 4,851-
<br /> 14 4,850-
<br /> 15 4,649-
<br /> 18_ 4848-
<br /> 17 4,847-
<br /> 18- [; :: 4,848-
<br /> No Samples Collected from TH-1219 - - 4,645
<br /> 20 4,844-
<br /> 21 - Gravelly sand,brown,coarse grained sand[1/4-inch minus]with slight 4,e43 -
<br /> increase in%fines,wet,no odor -
<br /> 22 4,642-
<br /> 23_ 4,841-
<br /> - Gravelly sand,orangish-brown,coarse grained sand with little fines,wet, -
<br /> no odor
<br /> 25 4,839-
<br /> 26 4,838-
<br /> 27- 4837-
<br /> 28 4,638-
<br /> 29-::::::(.j.C;S(;::.:' 4,635-
<br /> 30 ft=1/2 to 3/4-inch minus 4'B34-
<br /> - _
<br /> 31-:':I;:<:>:;>:.:: 4,633-
<br /> 32--:i;:c;.;>.;;-.;:>: 4,632-
<br /> 33 4,631-
<br /> 4,830-
<br /> 35 4,829-
<br /> 3g 4,828
<br /> 4,827-
<br /> 38 -IIIIIIIIIIIIIIIIIIIIIIIIITop of shale encountered at approx.37 feet bgs=Boring TH-12 Total Depth 4628=
<br /> 39_ 4,825-
<br /> 40 4,824-
<br /> 41 4,823-
<br /> 42 4,822-
<br /> 43 4,621-
<br /> 44 4,820-
<br /> 45 4,619
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