WSPC04091

• File Number: 8541
• Description: San Luis Valley Project
• State: CO
• Basin: Rio Grande
• Water Division: 3
• Date: 7/1/1982
• Title: San Luis Valley Project Closed Basin Division - 1982 - The San Luis Valley Project, Closed Basin Division, Facts and Concepts about the Project
• Water Supply Pro - Doc Type: Report/Study

, ~,~...;o.a 1 ~ 2'9 'j
.. Bure". of. Redamilllon

.

GEOLOGIC LOG OF DRILL HOL

SHEET...~... OF..~..

FEATURE... " . ,. .S.a.l.v.a.g~, ~~.1.1~. ......... .. .... . PROJECT. .. ~;'~.:-. ~~?~:~. ~~~~~.... . .. .. . . . . ... .. STATE. . . . . . . . ~??-?;:~~? .. ..
LOC....TION. Stage. 1:-2. . 38:-12:-32.CDC.... 7555.2 900
HOLE HO.. . .SW-.4.. Ii GROUND ELEV. ............... DIP (ANGLE FROM HORIZ.). . . .. . .. .. .. .,. ..
COORDS. H............... E. . . . . . . . . . . TOT AL
BEGUN. .1-:Z8-:82... FINISHED.. 5:-~97"~~... DEPTH OF OVERBURDEN. .~q~~~I...... DEPTH.8.O:.1,2.'.... BEARIHG ..........................
DEPTH AHD ELEV. OF WATER 9 16 7547 37 5-29-82 1
LEVEL AHD CATE MEASURED.. . :. . ~.. . .. :. .!. . .. .. .... LOGGED BY.. G.. Rush. ... ......... LOG REVIEWED BY. . R... Nea ,......".,.,

,. PERCOLATIOI'ol TESTS ~%E "'- <<
<< ~~ ~.o
1'ol0TES Ol'ol WATER TYPE ww . ~w u
LOSSES AI'olD LEVELS, AND <<> DEPTH . r~ w2w WW i.o ~;!;
00 (FEET) ~ "~ ~~~ o!: CLASSIFICATIOI'ol AND
CASING, CEMENTING. SIZE 0. W _ ~o W~
uu r~ ~~ PHYSICAL CONDITIOH
CAVING, AND OTHER OF W LOSS . .. ~~ ~W
DRILLING COH~ITIONS HOLE << FROM << ".0 .0 ~~
(:;l;~ TO ~ (MIN.) ~/
(%) (G.I".M.) (I".S.I.)

*141 .44 f om we t lin
129 37 fr m sou h lin

po'

Top surfa e cas ng - 556. 3

T.D. 121.0'

~

~

1<0-

-

lso

]60

j!0

IBO

-

locr

105,

1'- '

,

118,
120 I
121.

:30

AD-

',50

60-

70

BO

ocr

EXPLANATION

jeORE
LOSS

CORE
RECOVERY

Typ. of hole . , . . . . . , . . . , , . D .. Dlomond, H'.. Hoy.t.lIlt.. S .. Shot, C ... Chum
Hol. ._l.d .......,...... p ... Po~..r. Cm ... C.....nted. C. ... Bottom of co. in,
ApprollC. .il.. of hol. (X...rl..). . EIIC ... 1.1/2'.. A. 0 \-7/S", 8.... 2.3/S", HI.'" 3"
Appro.. .il.. of ~o'. (X_..rl..). . E.. ... 1/S". It.. .. 1.1/S". 8.... 1.5/''', H.. - 2.1/8"
Outald. dlo. of coaln, (X...ri..). E... \.13/16", A. '" 2.114". 8..... 2.7/8", N..... 3-1/2"
In sid. dill. of ~o';n'll (X.....i..).. E..... 1.1/2". A.... 1.29/32". 8..... 2.318", N. - 3"

30.0' to 40.0' LEAN CLAY: Approximately
80% fines of medium plasticity;
approximately 20%" fine sand;l,no
dilatancyj maximum size, fine sand;
brown; moist; no HCl reaction. (CL)

40.0' to 65.0' POORLY GRADED SAND:
Approximately 95% medium to predomina-
ntly fine,subrounded sand; quick
dilatancy; maximum size, medium sand;1
brown; very wet; no RCl reaction. )
(SP)

65.0' to 70.0' LEAN CLAY: Approximately
90% fines of medium plasticity; appro-
ximately 10% fine sand; no dilatancy;
maximum size, fine sand; blue; moist;
no HCl reaction. (CL)

70.0' to 80.0' POORLY GRADED SAND:
Approximately 95% medium to fine
subrounded sand; approximately 5% non-
plastic fines; quick dilatancy;
maximum size, medium sand; blue; very
wet; no HCl reaction. (Sp)

80.0' to 95.0' LEAN CLAY: Approximatel
90% fines of medium plasticity; appro-
ximately 10% fine sand; no dilatancy;
maximum size, fine sand; brown and
gray; no HCl reaction. (CL)

95.0 to 105.0' POORLY GRADED SAND:
approximately 95% coarse to fine sub-
rounded sand; approximately 5% non-
plastic fiees; quick dilatancy;
maximum size, coarse sand; brown; ver
wet; no HCl reaction. <SP)

105.0' to 110.0' LEAN CLAY: Approximat~ y
90% fines of medium plasticity;
approximately 10% fine sand; no
dilatancy; maximum size, fine sand;
blue; moist; no HCI reaction. (eL)

110.0' to 118.0' POORLY GRADED SAND:
Approximately 95% fine sand; Approxi-
mately S% non-plastic fines; quick
dilatancy; maximum size, fine sand;
brown; very wet; no HCI reaction.
(SP).

118.0' to 120,0' LEAN CLAY: ApproximatE ly
90% fines of medium plasticity; appro
imately 10% fine sand, no dilatancy;
maximum size, fine sand; blue; moist;
no HCl reaction. (CL)