|
ASPHALT Asphalt Specialties Co., Inc.
<br /> 14:111=111a Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-11
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat./Long.: 40.351205/-104.729048
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,666 ft amsl
<br /> Phone 303-289-8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 40 ft bgs
<br /> 1° GRAPHIC DEPTH TO E
<br /> c S LOG LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER o�°
<br /> o Ground Surface 4,666
<br /> 1_ Overburden(Topsoil)
<br /> 2_ 4,664-
<br /> 3 4,683_
<br /> 4-_Sand,brown,fine to medium grained sand,dry,no odor t 4662=
<br /> r' ':' . Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with -
<br /> 5_'`''' ... some medium to fine grain sizes(sand size coarsening with depth),wet, a,6s,_
<br /> 8--[: :::: ::no odor 4,660-
<br /> 7 4,659_
<br /> g 4,658_
<br /> 9 4,657_
<br /> 10 4,656_
<br /> 11 4,855_
<br /> 12_ 4,854_
<br /> Gravelly sand,orangish-brown,coarse grained sand[1/4-inch minus]with
<br /> 73-_- ' >: little fines,slight increase in%gravel,wet,no odor 4,853=
<br /> 4,652_
<br /> 15 4,651_
<br /> tg 4,650_
<br /> 17 4,649_
<br /> 18 4,648_
<br /> 19 4,647_
<br /> 20 4,846-
<br /> 21_ 4,845_
<br /> 22 - Composite Sample Collected From 4644=
<br /> Material Between 4 to 40 ft bgs -
<br /> 23_v:;;;i. : 4,643_
<br /> 4,642_
<br /> 25 4,841 _
<br /> 26 4,640_
<br /> 27 4,839_
<br /> 28_-"':,<:,<:::,:::,::: 4,638_
<br /> 2g 4,637_
<br /> 30_ _30 ft=1/2 to 3/4-inch minus 4,636_
<br /> 4,635_
<br /> 32_ :,- ::.> :>.: 4,634_
<br /> 33 4,833-
<br /> 34_- : :: 4,832_
<br /> 35 4,631_
<br /> 4,830_
<br /> 37 4,629_
<br /> 38 4,628_
<br /> 39 4,827_
<br /> 40 4,626_
<br /> =-I
<br /> 41 IIIIIIIIIIIIIIIIIIIIIIII Top of shale encountered at approx.40 feet bgs=Boring TH-11 Total Depth 4,625_
<br /> 42= 4,624_
<br /> 43= 4,823=
<br /> 44= 4,822_
<br /> 45 4,821
<br />
|