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" - �) , A �', ,�.( / / w '' '-� eo Od I" ATTITUDE OF BOUNDARY OF PULL -AWAY ZONE OF / 9 , . 4 ' SLIDE OR FRACTURE WITHIN ZONE OF TENSION , - r ®I -S ADJACENT TO SLIDE• / �' .w , ` :•`>K _ .1 / ^�' •, ?�..- _ , _ t _ \ ATTITUDE OF BEDDING ,WITHIN SLIDE MASS (DASHED - - \3 . . . . , �- ` rta v WHERE BURIED). 'k % ( . .. q �-s8 Q I + J j '{ 1 ra I 7 s , r , a, . 14 i i i I: 4.' .a i. ) _ .r .. ; 4, 7 Ov 1_8,I * fv , - - ) - - 0 BACKHOE TRENCH EXCAVATED DURING THIS IN- VESTIGATION (TOTAL NUMBER 28) . , -' - :. _ I' �' , , .r,; % ,! r ' ti .. V.I 1..% '_/L_0-*r, .,,�.k - .' .-� I I1, ..­ I0. "_.,. ,I,* . .1.,L- n .1I- I �L. 4,wIt�-I 4-�-'1�1I-, E--._ �1 ,; -:I I1 I�.","���.4_ �,I ..*.-.*."o1) _ '� . II I�'- * . -1?.�,I .. 1—­1I,,I—/1I. I , ,._.v. .%_!I. -,:I,I.. �\tI , . _..-I. xI ..:L!".- ",­ ._ I t: �,I 1?..-I..�I1I1,,.- L. "� .�I* - ,. 4. ,"i� ..�I,&i.�...G-�... _1 ..r*,-., � ,.-,1N, ., *-. *�' %...,1. ' - . , / r / it 1 y 1, -' c ` , - I i` ` I , I • , ` �\ < �� �- / 1:..� ' I--- -- I BORING DRILLED AND LOGGED DURING THIS IN- , - - &. j- -r•. `�. __ I VESTIGATIO HOWIN OTAL bEPTH TOTAL a ' G, - �l ' ,fi - I -If - C ® N S ,.w•••. / p i - "'� I -r �a- T.D.17� NUMBER 18) G T L t. f - �� c�' -ti • , 1 .. y 1 -, .I%z­.�\ , -\ a.,/ _�,-O4 /.-0tk�4,'-_,�"\ .,I ._�I-_5 (1 :,.- I!: 5._, � :- . I4-\,!, I , 1--k -iI,4- . I _ j %� 1f ).- � /f"1I __y ;4I A1I /._ �-� "..) -_,I ��"1 . ��_.. _, �1... - f.e.I­ ;__-- ..� ..\ . �-1-\ /- � ,L q1 I .\-I 1I _ .III 1I . " _ f,1/ . I I -I- 4:- ,,4�.:. � -ft7 1.,.!\- II �1 , , ; I 1r,I!\ -..�-. -iI\_'I . -. ,. ,..II I t\ 0I/iy-IIM4,;- ._,t, _.-I\L� ,^L . \/ I ._.1.I_07g`,_-"'4 IIN_'.i.1\�toI,L _ .I ,..,\ '-_ 1_� L\N-P-. —��,I .-.I�I- ­, "-A." .., o-,- . �_.I.g.,aI., I T /- ,�-- -,-, ,.9 / -II, - -­I-,Si z ,_, .1I, _- -I/ . -_ II - . , ,,4- I_-'I;,i—,.II L.__ -v /­'/. II-. -1 1�L . .% L�. %#-.'� �. 1�0 N(3, /&-4I Iv_ _/ _--1 .iI I-,_e _.1 T jI- ,­ '..I_1,,!\ , I.--_-. -�_,.". 1-10 ,- �I.4_1,'c--. - . ,", 1, ..�- -1IA ,",, -\ "I I".II I I1�I . ,- .� , I-,; -.1I.� I�\t-'1 '� f \ : j J -f / • •: ,,. ._ - 1 L L CROSS-SECTION (TOTAL NUMBER I I ) u I ,' � j • ` v y /. -,0I1 I 0 I,I-_WI, I - V._I '1-I_- t1,,4�I - ../1_)-� Lv11I-- . 11 \.i ",-y;*, N- . , . ? E- 'I'I1,I0, z'I _,EI . I N1,I.;-I, A -Er I.,0 �.--,.E- /`- ., -, . �.,ILI.- , I4�I--- �"",I-�..- , -.�i-I —_�� :4�II . ��_,-0�. _N.3 I ,3--0I�_,i -,..�*1..' .4.1.._1 _, _..-�+I I�, 1I:,-_I... - j- -L1 IIc_I , k/ .-,.11, -- -I . ,.-_ -. I . ,1j _l. .-�-1-, IxIoT _.I1I�-I -;. -II 1r- -I - A - ,�IA_- ­I_� _0_ A—. _'.1I- .- . II I. ., v I__ —' I, / ,-, I !\_--- :. _Z i i_ -'-, _,.,1(...4 �,�t. I0_. 1-� *I�)'.I_-� 14I-I_I.1_— .�\-_,I.\-.. -. / . ,lI -_,I .! � I, . __$ �, '. I ,8,I._%�� rI �I, .,\\ ­ * . - I. ,. , . ._I- l. _ r4--'814 4 - ._ 'I. _./1..4 ...� . 7 ,;. .� /1... / � V 9, i 0` J � j /./_ . �/l ^ �' �f1� , 't v ,' �"� l -, 1.. T _ - v / f 1 , 44 / i j C 1 �, / �� / =�? 1 `;%11 I APPROXIMATE LIMIT OF EXISTING FILL . f 1 I x at. ,_ A t 1 \. «. f � f N. 1 yi {t 7 _ '1 i -/ r _ -_ \ �I APPROXIMATE BOUNDARY OF LANDSLIDE SHOWING t /- LIMIT OF SIGNIFICANT MOVEMENT PULL -AWAY ZONE, AND ZONE OF TENSION FRACTURES. PULL -AWAY ZONE CONTAINS THICK COLLUVIUM. '!^ . _ ` !•� k" l t', ,-.: Y I _, ) -•�,� why _ J "I J-� .• " tc1/ 1 - `� ,k - � `y' L- Y ZONE y -- -'� t f- ,. -t- ~'~w � r� �-"� � ,o I}I r �` • 1s ��-•, _ � PUL AWA \ ~ LIMIT OF SIGNIFICANT MOVEMENT , . / �T . .. ` } 1s.' 2 r l - -,1r ZONE OF TE SION CT S - RA URE :A" '" "�.r" �+ ' : �._ .r,./ - -�` • - _ � �.�: .I - O :! _. f ` r•,I - \ / 7 - i Y• I ,I `` f' t \ i Z'' 1 . ,> `^, +� " ;. %" -(VC ,, ,'c Q c c_ ` a r• - \, i %/, 'x` _ t t. 1a BOUNDARY OF LOT COVERED IN THIS REPORT ' i ..may �� ♦ ♦ I ' J F� 3 1 �.y a f_ �r /� p .. ` i-6_ \ . �, J• } �' 'mod "' 4 \ I" 1-f.. _. 1.. - ..L). . , . .- -I.&. _,0-.I -_1 '_ .I_A-I -_-1" I1 -_).�. .II_ / //% \ I . 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Reach Blvd. La Habra, California 90631 rJ JLC r ., / GEOLOGIC MAP 4 \ "'r "4, TRACT 30289 - •` _ - e4 ' - -- f ----- EQUESTRIAN ESTATES DIAMOND BAR _1/I II_ --. A. *I.1\_ 0_4(11._ \.�1 .., I., .\ 0I%I, .. 1� _\ - - I. .,.\ . NN-,z- (I�� �I ' 1I .1 � 1—., .1.I. 1. , .I I. . I . --_%../#I",­\--_,I,., I ,_4 .--- I-"- tI�_I I . _ _,g- k _._! . 9^ -- _ _ 41 * N,*1 ,/- _ COUNTY OF LOS ANGELES " . ;? �'•. �-^� Z� yy-9\\\1\\\ ' 2�.r� ,C'`�►�r Q.r�a' � ii �� ►S� Drafting by E.I.O. , H.F,K. )at(,FEBRUARY 17, 1972 - 1 L -- - - �. - - I ` r L$Io}�'ps ,.9-a;:.ikkwx4I yuP! 7 f I I &-r,2�.. ' Geology by: D.O.ASDUITH L.R.CANN "=40' d - _ . . , :x �; , aR- • . . 1 _ r....���.��•..-.�r.r,�.��...r�. _ , 1 D DA-a R J v • % e+'J . • . c alc: - . - 11 ." , 1 .ram �