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UNITED STATES DEPARTMENT
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THE INTERIOR
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GEOLOGICAL SURVEY
IMERCURYI
idra E -544
LOCATION OF DMEA SHAFT
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EXPLANATION
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Ctnnabory60
Sheared
ss and sn
t%Ytir:2
45
511bnlle
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-
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.zee.
Breccia
30
30
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Inclined
60 Feet
1
wo rkinpS
Geology by M.W. Cos, December 1955
with additions by E. H Pompeyon, U SG
4400 N
Figure 3.
GEOLOGIC
PLAN OF 360 LEVEL
MT O,ABLO QUICKSILVER
CONTRA COSTA COUNTY, CALIFORNIA
PROJECT NO.:
SGI SOURCE GROUP, INC.
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3451 -C VINCENT ROAD
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01-SUN-050
,
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DR.BY:
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MINE
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HORIZONTAL SCALE IN FEET
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7
.
WASTE DUMP AREA +,
CORDERO WORK
AREA
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LEGEND
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3451C VINCENT ROAD
PLEASANT HILL, CA 94523
SOURCE GROUP,
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DATE
5/3/09
JP
DR. BY
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APP. BY
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01-SUN-050
PROJECT NO.
FIGURE NO.
6-2
2004 AERIAL PHOTO WITH
SURFACE DRAINAGE FEATURES
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MT. DIABLO MERCURY MINE
CONTRA COSTA COUNTY CALIFORNIA
(2004 AERIAL )
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LEGEND
.
4
1
M;I
v
.'`F 1
. y...:. l
awCordero Lease
Area
,
W
1
vrc
-,,...,,
1
1517
'
s
4
(a)
--
r
:'NG S
Iro9l,lae
,ep I'll ,
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1,944
{}
Crook
Dunn
I
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,
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0.
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s%.
/.
M
=
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r
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.
7,
.
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w
.
(21,900)«
25,004
y
i!
1,54,0Ç}i7)
¡¡,8,lao
Marsh
Y
:"
.
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.
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.
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;"
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f-.rHorse
.
.
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lb+.".ç..
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(24)
59,100
» (59,100)
IN
up
.
#
rE3áC
381
i r.rfi1757-1 Crlt'FICWAT'F.F751fF"'n trfLrl'i"CUñ'YASSESSdf.SM'f'f7[7Jlc`C7' ----
o
Road
Morgan
Territory
945
"226)
Rd
D.O. tilotcan
et at.
4
IN
FEET
NA
SOURCE GROUP, INC.
rxE
3451-C VINCENT ROAD
PLEASANT HILL, CA 94523
envimnmental
SGI
SLOTTON 1995 MERCURY DATA
MT. DIABLO MERCURY MINE
HORIZONTAL SCALE
NA
JP
NA
DRAWN BY
DATE:
07/17/09
Parts Per
01-SUN-001
in
PROJECT NO.
Mercury Units
Trillion
LEGEND
6-3
FIGURE:
pH
APP BY
TABLES
Date
105,848
1,228
none
(10)
(8)
630(6)
none
none
none
none
920(4)
67(7)
24,815(2)
NA
78,188(1)
NA
NA
NA
NA
NA
none
none
none
none
minor
19.5(9)
125(5)
10,455
minor
NA
(3)
NA
1000
739
NA
161
none
NA
NA
Waste rock from tunnels,
Dewater volume
Mercury
crosscuts, ra ises,shafts
flasks
(acre
-feet)
Produced,
and stopes (cubic yards)
shaft and placer
Cubic Yards of Ore
Milled
43 ft of tunnel on the 360 level x 5 feet x 7 feet w/ bulking factor of 20%
(7)
(9)
5 feet x 7 feet w/ bulking factor of 20 %.
Best guess; 90 gpm for 27 days to dewater the mine (ref: DMEA payment records to Smith for same) and 200 days at 10 gpm.
(10)
Sum of Ore Milled and Waste Rock
() 790 ft of crosscuts and drifts on the 360 level (Pampeyan, and Sheahan 1957) x
300 -ft DMEA shaft 4.5 ft x 8.5 ft (Ross 1958) plus 77 ft of tunnel at 5 ft x 7 ft on the 360 level w/ bulking factor of 20%
(6)
ref doc no. 2:88/384
DMEA internal memo dated 2/4/57
Used the ratio of ore milled to flasks produced for Bradley to estimate the amount of ore milled by Smith.
(4)
(5)
Estimate 10 gpm for 10 years.
(3)
(1)Table 4, Ross 1958, reported 126,664 tons of ore milled. Converted here to cubic yards above based on conversion of 1.62 tons per cubic yard (cy)
(2)
Total length of workings 4,570 ft (Pampeyan 1963. p 25) x 5 feet x 7 feet x bulking factor plus 20% = 7,108 cy less (2) and (3). Included 550 ft of shafts and raises (935
cy) and stopes of 19,000 cy ( Pampeyan, Plate 5).
Welch
1863
Unknown
1875-1877
Mt. Diablo Quicksilver MC, operator Ericson
1930-1936
leased to Bradley MC
1936 -1951
leased Ronnie B. Smith
Sept 1951- June 1953
DMEA and Smith
June 1953 - Jan 1954
Jan 1954 - Feb 1955
DMEA, Johnson and Jonas
leased to Cordero MC
Feb 1955 - Dec 1956
leased to Nevada Scheelite Company
1956
Total Cubic Yards of Material Taken Out
Operator
PRODUCTION STATISTICS- MOUNT DIABLO MINE "MILL WORKINGS"
APPENDIX A
APPENDIX A
CORDERO LEASE WITH VIC BLOMBERG FOR MT. DIABLO MERCURY MINE
e
THIS AGREnliTo
entered into this
L.1
.
day
oil
10._112,pigneSIttAmkt.E2..A,R., a NevMat cor.
poration; hereinafter refemsed to as 'Lea:sor, and CORTZS.0
COMPANY* a Nevads, corporatiqn, hereinafter referred to as 'Lesse",
betWeed
.....
I-.T N.B.'S
Lessor 3s the owner 'of the tolloWiki! described
mine. and mining prope.r.ty¡ together -with all appUrtenanceial
laltRRAS*
DESCRIPTION;
The northeast kwarter of the southeast quarter of r3ootion..09 and the ';:south half- pf the douthwest:iquarter of the.
nertheast -quarter of Seetion 29 Township .3; ilortht
East,. Mounts Diablo ease and ivklridiar, containing i.)0
mere or les.s4
EXCEPTINg:THER,EVRO41 'That certain Asrphon pipe leadtherefrpro :to. &water trough on- the northeast quarter of
an
Ich
the Southeast .quarter of said Section Twenty-Wale (29),
th1s
sad water spring',trougho and pipe are exceptedA from
owara ar4
deed i," a proVided for in the 'deed froM-dward
Day L go.ward,,* !AS Wire.): to' Mount Diablo 'Quicksiiver COM.
/Dam, Ltd.s's:a.::corpcirationi dated Deeember :29,, 19334
fie.: 1060)3.
corded Feb. II. ?..934
The noi*thWest querter.111.W.1/4).
of the.teutheast
inToWnsbip l'North of -1-lant:x: I
seotIon
(S.E.,1/4)
geridian,
Said propertIr
and
:East, :Mount Diablo Bait
-Pmperty3 to wit t that
tot include the folloidng described
-3.6ald beginning .at the 'northwest corner or tht) northWest
ter. of the southeast quarter. of Section 291 Township Z .Mrthy
East Moupts.-.Diablo Base -and Rerldianl theno,.:Is nnt
7ari,g.e
the"."dividing. line between' the.:northeast guarsouth.erly
and the nprthure tot quarter of the
ter or the SolithWeat tlaarter
29A .a distance of 20 chains
Section
'southeast quarter of said
quarter (Alt' th south.nOrthwest
the
of
to the southWest.'.0orrier
.along ..the
running
thence
Seim:-29;
ot
east quarternerttnaest quarter .of the :southeast quar'',A:r of
thence leaving said
tetIon 29¡-,e....diStinee:-.1)f 2.924 chains;
rnc oi
and running in a northerly direction, a
2023 chains to the.pOint; or beginning.'
-
-
.
.
.
-
-3.CHS-03604
.
ç.
\
\\
t .r. `4¡iWmi1..ee4t':.iFreáR!ise the house .known
'together with -the. .right to use, such sate
as is, necessary' for c1emee9,io. purposes.
the event the cl?Y
tion to purchase i# exeris.se then this ,;xeept:on. will
without- effeót
tit.e:'tt the `B.omberg 'house. shall pas;
with the other. property,
ADDITION iesuea -Sha3:l have the right to tï'e'ljf acc2i.r.= :
d ,A:iyer whiCh :.Lestor lfas .'centra3 .
the
'.i7XdSP.JtAT4[ .iFavnl
B3.OMb.erg..hotse
:17
:
.
.
And
the .LesSee: äeslres..to lease .an« tc.7t acquire. in
option to purchase tñe3' whoiii/ et.:said :drying property above dwA
4ow"á:beda., 'Which the Lessor 4,. : %fI',`.ling to grani
thi, t.^'3'ïf:.''.'i äiì
subjeot.' to.: the oonditiens Yoreinagter set torth.,
:NOW,THERWOR1; tit tönsidera.tion osa the, preMises and
tne
One D0344:r ($L) :ii414 P. the Leasee to the Lessor,, zs 4010 Of whieh is hexeby acicmertIedged,. the. lesser :herrtÿb,v grants
and ,.eases.. to Leìe tk,e .ove-.-described; pro»er><i. for. the purpose
.:.
papect#.ng.: d,r. ?.ir;.S,, min1ng, prqc.u.c:,
ins, milling and removing. .t'sres;F l'iletal$.. 1?3inerals.0 an3 vallea of
aver, icin(L and. for the purpoee et erecting: thereon mii;1.s, plan+;:1.
;aFtd :other, etrueturetx.. in 'eoniee4en-. with :said purpoaea,.. for th
irS: "trein, the. ":date hereof with '.right to renew,
up0..
(60
az:ör;`rit' axlatit Lesser.. r. rot st.» ad,
ditiOnal -Ten (10) ;rreard on.. the sa,me: terms1 inauciizzg the right
paYnexits made ciuriog the firSt' Texi (10). Siea:ra on the purchase
optiOn to:- purehase is exercised dur. ;r.g the aecoix :
.1440e ile
ten (1q) year a , These. rights
moan IA effect' dor.ine it:e
period iJ the leAsf îÌLe i. eoeÌer tLrL ICl rd
hPrreiTitrl.t ta£T
:.irailF,A3_
:
.f
.
:1:
..
.
.
:
:
.
.
..
.
.
.
.
.
:
ÿ.
..
.
..
..
:
.
'
In consideration of said leases
n IS
1iE,EBY_
CHS-03605
1*f:tentage! rovaltleS
quieltellvf-r
'4:I:aziai
1,;:e.
11.1.sesor*s giving Lessee a.4inet:5(9.0)
da.prior
rSimi1er4
1,a.easor
ehail
resUme
.
zhili:
be:.f.*,.6:.10-1040.141,41,04.PropOrP$...IfesOee Agrees to stow) tor
ssorls-stgeouzlt any produAtion taken .by :011-sor as royalty in
without ottargo.'.... title- however to sur-1i fla,sks of quioltbe..deeffled to pass to Leat.Lzir at
silver ftir deliverir n kind
tatements therefor from Lesuie
ei.:11306-Isessor reoeiltes royal
(:oz' $.710.1ra0,00 azici ".0ther... Orripsa), Leas ett shall sloply Lesai.)r
.
of-.....44PrpduetiOAA..041vOr
::
.
.
.
.
.
.
.
.
.
"
,
.
.
::
It..arta Oomplete
supporting
t_lsta
with regard. to deliverie--.5
in 'land..
at;EUNI
24'
.
. .'""'.
.
.
"itLOStior elut.11 and does hereby
gant'Utat010 Leee 1414.40irkeluttiVo
an2 :irrcvo4ab1a
.
Olrettal*-04C.4700,1470:-.rie.:.wrialo
t;c,
.17;
give an4
rleht
the said !lining
::
t
CHS-03606
r_
°
p.rQ p.er
: e crSbed,
d
v.
*,t.xxtisrï:
option price 3
pali.
?u;
bg9,r.e the. terrninatiotv. q!.t ; this ieasei:_ aarid ..tanY; renew.al,:, and:
.
.
ltd. :manner and.:upori the due+. performance- of the covenants to be
10pt and performed- by; hó" 8Ssis, all as herein priv 2ded.
.
iÉ 1xt..
.:
.
The Leseee,
.
:
-the exercise.
u}poi
.
cs ivï
stildbpt3On;
the: ;.:S(;r. as a.-total- purchäSe priáe fOr
the. .abovedescrihed p.rpperty.;
,sum ".of One Runclred Jevent
ottsand. poIlers ( $17a, 909). .1.air 3:. money of the ühited States
All rentdl.. and-, ¡öyal ty payments madè.:tca Lessor. hereAmeriea.
Under- éhall be C.redite.d p`
¡tirçhaoè `.priCe.'' :The bálance of
thet `pìt:rCTìiSe
..upon 'the::'e.xercäse of
shall; 1é`Paid
.:.
t.
_.
.
or ..9. ,:good.: and sufficient :deed as herein
said:..Optivn and. delivery
.
provided..
the purpQrQ of: crediting royaitT:pá;ynts on
prii' .ri
'de.3vëlea in- kind , the
FörY
:çinetl:th
th ;pÏiäs
...
that
..
.:._...
...:
..
..
:
..
.
i£°;ns:
..
..
sales ai'eitt...de. bY
payment.s-s:aS. :we.'Ll ä:s.
tsxinixzed.-bY
...
...
.:......
.
:5:
..
.
..
.
.:
..
.
...
...
p .räVided;: hcavaever,:.
.durn;
.
:
ány. such' tnonth,
c3redits. on thd:.::pursr;hase .price :shall 'ce de -
lïè ee?clg
iiking the -'ve°,-:rage.
-quotations. for
t4vr
.the: `part l,cii]::ar Manth-:as:. set: fOrth .. in the' E.
iiieta3 and
.
ti
insurance and brokerage);
'provided
further, that. such .e1ád.. shall
applied for' the: pur.:..
..
..
PlarkëtS
.:.
..:
royalty
:
.
.
.
c.ostpu.ting:
.
...
....
royalties or for
...
Pi
other purptiSq
ansr
to the .,'provia...oria of "this ägreeinertt .
.
.
.
;
:: .
.
.
MA..1418R
:QF
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The roye lt.y payablo to Lessor
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ner-edpr,,.; shall. be .payabl.e in monthly installments
'
Commencing
CHS-03607
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and etaritinitIng: pra the
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.States and the State or
.
ìeçc^c3.axiOe
3$ .:Ih
with regard' to the
otl.`'.1ätloA1
wortima3?:ships
M.tr
and
all '-tßtiiiie? during the
.:ain' t Tatetíh O!' the }+ ..Yi4'.lsf<$.
C:
i,eSeetr
abali
-at
a :;erit:4 ,>e.rt~.en.tVes or
and ..:take. ime$ession or the whole
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may
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abali be
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la.tll,n}xo
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:0111. artiilar
t: ;k
p3int
all: otherphä.sev.
or:
..:oigeratlons opriduetedt `by the
Go.flrdeii
vi4friceLo.R
:nours
t?o
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O_
tncr:r
'etitat4.e t` tria sza
udixx.nd..
'..Wa1va, 'METIiOD5
-eitit*i.41i.
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right during..re
the-
tii444ei...haVe"
exellitíio`
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with: he royalty'
'The : iie300e.
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GHS-03608
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which
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reilaceinenfiY shi11 P440tio:':
ropprty or the 'Lessor. :. ..At the
17419r4
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.;::.:tt.;év!en :Of the: .tiesaee vacating the
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detrtsod'=pxOg4sep
Par.a.44p4
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ithtgOt
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for
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.r.psa0 rnásr realov.C. aw ,pxovided:
any `j)Orta110 . 40t40, taehex7..
iq1:pmeri:,
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o p{ poi{y a. Lo t LÇ? 7e 4
14¡ieed, '-11lk* 0he p-roizierity,
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any' repaix-..
C H S-03609
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proper.
¡fletat':,Or
*NOR
4.14:017i
Lessee ahall'...comply
:
.Stie et :C411:terhIA for
againot injury
pgd
the protection
with
ot emp1oyee:0
Olteaai aivio :14i:that cormection,.».3hall save
114010$0,the Lessor. against ony aamage by reazon
x,}f
such claims..
ssge:e-':*411 pitei14e 444 :p4ntalA. at Lessee's eXPeOse
tliie in-
4i i other appreprie.te casualty insurarice:o4 all of the
Structures, inaehtnerry.t e pitent anO, tools- cpvng the full
appraibett.:ihSuràhle:: vekto tilea*t.r
tkoth:Lessor
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4134
fAeniteet
.ae
.tor the
their ilitereets
t
farnisb t9
max/Wu protection or
may
appear, a.nd Lessee
such thou:ranee
if
ecp.tired,
appr4tal of Lessor :,ror
en4.-the swot thafl be,:etNect
adetiiiaoy Or
:
NMI() LItIWItITYt It.easee :shall save Lesstir .harm.
rsonal 3,:11;.e.lry or
tron rj abtUty %*:propOrty. daxnL
from the Opi.-,-,.n.eirtiAT or At perromed by
death;
ah51 1.'4ES .0114074p:0 in coOrieet.101 with the lease end :option,
±AttNS:
0441: i:4vo' Leaeor: harmless rrom
ail 1.1..,sas" 1...ipor _the. proper:iy rita0e or' ourrome by iiostitee4 and in
ehall poot' the.property tn accordahee with laliti;
thO
,8,,
1--;
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air
hot:tang
Lee
.
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(15eseor
): hOntr.eaporistbilitar,, .befo:re. corirle.hc,
'zany Vorici
agrees to pay,t prior to delinquency-,
axes and* aitesoinentso lteludirg personal: 9cXertT axe'e 9:14
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TUBS::
LOSEMO.
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CHS-03610
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or .4.4y.:cViar
go:Ate:patent a0d2-,v1-41ort,.
.rOyt.4 01 pct.'tO Lessor;
.
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p.MA.
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4 aera
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of tise
t
i
wY
of this
essenCe
1*.e:payi.i*.e.,ts
or
shall, terminate,
thio
8
X LZ3IQt elects t;i1:.:,*ermiriate
4efault, Lessor ,:Sh.51:4 serve notice
"
t..40:',:tiption:
Lessor:.
tb,e.
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.
r"4913.
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:
taxes on
,-7.)f
prorated as of Vile date
"oc-
Tima shall; bit
OVenant.
at
with the egoeptioa
ra!axett
"..VAP,ey:Ont
:-.;-140x0e014r1
District.,
Oliwe -tax014.-0.to..Statel County. or'athool
nPt prOoetd.4.Pf
int.antiOn )4: TAigistered mail; or liersdnat_ peiillee upon
LesSee. or Ito duly at,ttliorfL!zed ite,_ent fOr Service of 'process. Upon,
ServiC4.1 or notice, Lessee shall have sixty (60)idayt in which
:Iot
111.4
If
to care said default.
the::detatat: haa,not been
f
tptie::1411.10,'
all of
rOp¡tent,'04-1
tetiae.
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ahall
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dii064.tir.*
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tittle
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the, ri..ghts
X.4.0se4:hereixnder
,:
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a leaSe and
option
contraot
.
U3bU-ity
iliLree.--
,
NI;orX:.
1411401elt
tilts
teranationit: and at that
-sltigreement is
..PriliPOSEt
, ..,.
-
alich
period
day
Lessor -iley terminatP::
quered,,
"t by fAiting"ies#9p 3Ot&G
,
(0)
within said sixty"
th*Dit Or
an
At
pa:pi.3:11eretinder at any
2
1130A
SiVIttS
Le4s).6r
thirty
(30)
notite of intention to ao terminate except
be Uable for royaltles and amici:intS due and
virtu-ten
.
the;t:Lesqee
.
pay:ittilet.;:ap.:'the
date
Of:
(radii termination4-
tip on. demand after-
Lessot, a good
gtirrenr-* :Leottée ht11 ozootte aod 414.ver
and,'*affi#Itrit trrex4ex and releaae of J3 ristrtq.: 110Pellader.
see BJ11 onti,401 the die011arp of Water from tri.o.
.
1
'
and:
,properties
such- maner-I:ag not to pollute an :Of the
wells IM:any:.of the adjoining property or the waters of Marsh
Creek or Dunn Creek. :LesSee is advised of that certain decision
end order or the Water PollatterVControl Board of the 'State of
California dated December :14* .:1953* and Lessee agrees'..to: comply
reapeets with said order, .e'.the same mayn,beE modified*
In
emended or alte.red'from'ti7lie 'to time, ':arid with any ::and .-all other
orders:* rules and regalatidna /of any governmental aiithority .1.n
respect Of discharge 'of water from the rriime properties,
_4NSPECTIO1 : The owner (Lessor) or his duly
aUthori.zed agents or rept4esentat1ites, shall have the'.rill;ht
enter.:upCin the said property:and inspect
reasona.ble tiMeg
Lessee thereon, or records .of the prothe work con.zcted by.
duction of the mine.
14. OENOYAL.-.0F tp.Uirntillt in the event of termination of- , thi's centract*:by.:Si.trrender or default as provided* the
Lessee may* within a period or Au-let-sr (90) days thereafter* sewove any and all machinery* power plant, equipment* builcii,
Mine
'
:
A
.
al
trak to1
Supplies placed thereon by Lessee except as
In the event of terminat Lon
provided in Paragraph 6 above..
Lessee shall provide Lessor With copies of any mine mape: or this
property which
15.
ori any
l
it Inay:have.
ASSIGNMENT
interest therein
Lessee shall not assign th-is lease
and shall not; sublease or underact the
appuror any part thereofo or:any right o,
and
tenant -thereto without the:Written consent of the Lessor
Notieez required
Stith. consent shall not be 'unreasonably withheld.
Ipremiawsl.
-
-9CHS-03612
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made in.
1..0t.611-0110.n
-
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$116d::
,
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Leso
NT. DIAZLO QJICIcSI3IVEE COMPANY, LTD.
.
:-:4140,300111iroriii6
COMPANY
1341;f43.1.04.0ity.'*reritie:
o::
tit"
po:
éjteiNg.go4L.
61*60..40,.,
Chase price theefov, as
it*Oe
CalifOrait
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the POliet*:.0. the further
::proVi4ed,
2441:
been
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hest.)
.
Lessor
01.1k3404,
nd Lessee have caused
.
presents to be gxectited by;!thel.t..brf*aerw thereunto