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ASPHALT Asphalt Specialties Co., Inc.
<br /> Project: La Salle Property
<br /> SPECIALTIES CO. Log of Boring: TH-7
<br /> 10100 Dallas Street Date: 6/8/2020 Boring Lat I Long.: 40.351539/-104.732664
<br /> Henderson,CO 80640 Drilling Company: Dakota Drilling Boring Ground Elevation: 4,669 ft ems'
<br /> Phone 303-289-8555 Drilling Method: Hollow Stem Auger(HSA) Boring Total Depth: 40 ft bgs
<br /> is GRAPHIC DEPTH TO E
<br /> o LOG LITHOLOGIC DESCRIPTION SAMPLES COLLECTED WATER C
<br /> o Ground Surface 4,669
<br /> 1 - Overburden(Topsoil) 4,668_
<br /> 2 - 4,687_
<br /> 3= 4,686_
<br /> 4= = 4,665=
<br /> 5_ Sand with little gravel,brown,fine to medium grained sand,moist,no 4684=
<br /> odor
<br /> 6 4,663=
<br /> . Gravelly sand,orangish-brown,coarse grained sand[#4 minus]with
<br /> '- >::some fines(%fines decreasing with depth),wet,no odor 4,662-
<br /> 8_ ::::':': 4,661_
<br /> 9= 4,660_
<br /> 10 - 4,659-
<br /> 11 ':Gravelly sand,orangish-brown,coarse grained sand 0/4-inch minus]with 4,658-
<br /> - little fines,wet,no odor
<br /> 12-:rr! 2i 4,657-
<br /> 13 4,658-
<br /> 14-• 4,855
<br /> 4,854-
<br /> 16 4,853-
<br /> 17 4,652-
<br /> 18 4,651 _
<br /> 19 4,650-
<br /> 20- No Samples Collected from TH-7 4,649-
<br /> 21 4,648_
<br /> 22 4,647_
<br /> 23 - 4,646-
<br /> 4,645_
<br /> 25= 4,644_
<br /> 2g 4,643_
<br /> 27 4,642-
<br /> 28 4,641-
<br /> 29 4,840-
<br /> 30 4,839-
<br /> 31 4,638_
<br /> 32 4,837_
<br /> 33 4,636_
<br /> 4,635-
<br /> 35 4,634_
<br /> 36 4,633_
<br /> 37= 4,632_
<br /> 38 4,631=
<br /> 39= 4,630-
<br /> 40 • 4,629-
<br /> 41 -IIIIIIlllllllllllllllll11 Top of shale encountered at approx.40 feet bgs=Boring TH-7 Total Depth 4,628_
<br /> 42= 4,627=
<br /> 43= 4,826-
<br /> 44= 4,625=
<br /> 45 4,824
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