alt

    alt
    alt
    I
    !
    ~"""-""-·"""""'-'~'~·--"'·~'·~'·~'~·~~~~=lf.Ji'-\7iIiO·NH~~"-~",,,,,,,,,,,,,,,,,,,,,-~,,,,,,,,",,--.--'-m"~~~·f'i't~;:j:'"AI:r,,,lToTt~=·-~~~r~rr--=<O''""~-"'~~::'~',·!~~:~~ld::-Li::.'~ :-j'~.:.,-
    ''''I' • I"',' ,
    'Y
    I - , "
    l
    !
    I
    '
    -.~-"-~::, ~~:,:~~_I.~~.=:'_~
    ..._..
    l~._~2/:~~I.:!.::LLJ.6.:.;,j:
    ...
    _~P~_'" h'~_.___
    __.t~~:..Ll~:
    ..._.ELJ...
    s:~"~
    ___
    ~_,_~_~_._
    .. __
    ,¥__
    ,5~L.[
    ..
    _.~~~:,~.:
    .._l
    11.
    Pj-":OJ~CY
    10. SIZE AND TYP[::"OF
    Elll"
    1
    1:~~:i~;~'{;;~~1;~~~~~~~?~:~~~o~~='~~~~:~'=~_"J-~:-~-'---
    ~:-:-::'~:".""::';:~:\~':::~::':'::~~:::i:~:~---=~=~~=~~j
    I",
    VI'(,l.<-,I.'("; 1\(,l_NCY
    11; ./;,;..
    ...'
    . :;.
    I
    1____
    -"-~,
    ___
    L
    _~_L_::_
    ____ __ __________
    1-;-1'OTA7~-;~O~lO~~'~~-*---~-'·~i·D-I$TU!-~UE-D------riJ~UR.-l~~-o-!
    !4_
    h()!-~
    NO
    (Ao
    .sf,OI.H!
    0', d,..;:wing
    Wlel
    '~".",
    BURDEN SAHPLE$ TAKEN:
    :
    .1
    '-r:.) ,I,
    .'..
    i
    ~;;:i~;~;~~,==
    '.
    I/~d'~'
    :~:~:;~;;:,,~::,:,~~,~-
    .
    ,~"c;~.,c~~
    L~:J<'~_~=~
    __
    ~=~':'-~_:_~.::=---=---=-.::~G FHo~:'n, -;~, ::::p:'r~~;--;:op
    Oli
    H~l,~:i~~:;-l'; _L~~J:2~c~
    __1
    h. TH!CKNESS OF OVERBURDEN
    ______
    ~.
    ..___
    ~~
    ___..
    ~
    ____"____
    ~
    __._._.j
    t;~';~-;;~-~R!I_LED !~-T-~
    ROC!(-----"
    _~-.?2:.~:~: CO~E ~-';C~V-:Ei~Y !~~~.80~~N;
    ,'L£~.E:
    __
    ~~~~::_~
    l
    -·--·-~-·~--·
    .
    .-~.-~---~~-~,~--
    19.
    5!GNl"TURF. .OF :N""P(:.CT.OR
    f.,:'
    1
    1-::-.:':~=-'=-2'E~~~i'-I"
    ',--------------
    ~-
    ,---,:,--
    _~:C.
    __,,,;,,
    :..------~-'--------,-------,'
    r.1 _
    -
    c.
    ~
    CLASSIFIChTION OF MATER!ALS
    'I.
    ~::m.E
    P.;o.x-~\,,-
    RE!\~ARKS
    I
    ~-
    /1\l!°lDdTHjLCGEND
    (Dcscf:I;>tiO!';
    :=IfiE-C:,o,v-IS""'MP~'El
    (D.'I1.I'I~
    tln'c:,
    wetprlo~>-.',
    c,\optlloi
    Eh 1
    _ ,NO': J
    v..-c.a!l1"'rltl/i!, elc., of
    {;.,'1lt:(
    {Tnv
    ,~
    __
    ~
    _____
    t_,~
    '~
    __
    ~~~
    _________
    d~~
    ___
    ~_
    _ __,::__
    ~_I~_~
    e._
    ____
    ~~
    _____2__ ..__________--{
    t:,
    {:
    11/,r,
    ,--,,-,,~-.
    ENG FORM 1836
    MA.871
    f
    I'
    ; i
    ..
    ~"{.;_~,
    ..fi
    ~
    ,. > ! ...
    ".~
    '",,)
    J
    _~'';::._
    .•:
    _'f:
    ",'
    it:;,
    -J
    1.j.
    D
    "T"';;;
    E.,':
    ,S
    ,() , \,,, ",,..
    ~?·o
    n
    (
    0"
    r>
    .}/jr-;
    (i
    i
    ~~
    ;,~
    c,:..:-
    '/
    1--"
    I-
    i,,,
    L_
    j.
    !=-~
    (--:
    r--
    i~-
    ~~~.
    j--'-
    !._-
    r-
    I~
    ~~
    1--
    1=
    t--
    \::-:
    1--
    ,--
    f-~
    F
    I=~~-
    i=~
    t=_
    1-
    ~=
    I~~:-
    1--
    r--
    1
    _._-
    --