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G AB SS EA L E fe &6 / SS SU aA \ } <8 9 3 7 / 2 7 2 > a at e s ~, Ly oe. . 2 } Aa i PH 15/6 18 \79.\ 20 TON EXAMINER € A 23 |22 | 20 “> #23-R D. 39979 tities 112,304 AF REN be a EXHIBIT: No: .7) yr 29|260|27| 26) 25| 24] 23 | 22 | 2 m N Se A N Q y. aa A ee s hv Dt ‘ ‘. { zs ‘ e “n y . 3K ( <= te of or t ® N ee & ap e Re f | 4 roc | 2 — if ae , Me re 6 $ Zz k | ¥ \ | 1S ) Sr a : Ss on w : I | i = zx fe d a ) | ee a Ea t ee : a ee na e } : a ey be s _— _ _— — _— — _ Av s — x23 25 V N 31 N 182,000 386.0 <7 as t | oe / B / 1 \ aa Ms ad s wa l l _— _ — — — — — 10 “g9 Bae ace Contour interval ieee 2A \r SEP 2 5 1979 7819110121 1213141516 & g ~ ea AM FLAT TO GENTLE Slope GONTLE TO MovEerdATe MoveERATE SLoPee Ortater STEEP To Veer steer slopes si a 7 Pp 1 Nee HIBIT Ni X ITEM NO. £- 404-72 5% 15% I5- 25% Scam 2510 é DURCE '.5.6.9. Mh 1-852.-B ; 1975 RA HY - CONTOUR INTERVAL - 5” 5 feet Conteur interval G ra TOPO ze a = - 2 it a om a m af aa l DB of bo m } m 2 3 z r/ a : : a 8 Ww £ ¢ = o £ ie N 182 AN 386.0 oO o a pn ITEM NO. ad R.tog AOURCE CAT OF WENTON “TOPOGRAPHIC: MARS. -o - ne q \ = 3 ee : oo } Ln a a C : AOD” TUKWILA FORMATION 5 feet Ceateur interval A — aol an % Lay R CITY OF RENTON 13. 86.0' Te) /o a t% Vv 6 EXHIBii HEARING EXAMINER siP 2 § 1979 ZS, 90H 211213.4.5,6 Agt ou ITEM No, &-4¢¢-77 AM GROUND MORKRAINE DEPOT AOOUELE : US.66. MAP OR 405) 1105. & Ground moraine deposits Mostly thin vhlation fili over lodgment till, deposited by Puget alac.sl lobe. Lodament till qenerallu compact, coherent, unsorted mixture of sand, silt, clay, and gravel; commonly termed hardpan. Ablation till similar, but much less compact and coherent. Highly variable in thickness and in relative proportion of lodgment to ablation till; lodgment till generally 5 to 30 feet thick, ablation till 2 to 10 feet. North of Cedar River, tillis mostly sand, is relatively friable, and locally is less than 5 feet thick. Between Renton and Lake Youngs, lodgment till locally is thin, but abla- tion till is relatively thick and grades to stratified drift. Moderately drumlinized, forms undulating, locally irregular surface characterized by southeast- ward-trending hills and swales, commonly overlain by thin sand, clay, or peat. Pattern indicates thin mantle of sand and gravel. Locally, unmapped older sediments crop out in gullies cut through moraine. Surface drainage locally poor. Lodgment till nearly impermeable and relatively difficut to excavate, but relatively stable in cut slopes . te ft Ag PPP « ; * 4 ;\~ we Ss . ¥ if 2? «al ae & $ * % = bd -) e¢ a? go, , ? : | 4 - hers ‘ , bi : # ; % gt d CG * : ot en oe oe é, Tukwila Formation Mainly sedimentary rocks composed of fragments of volcanic rock. Probably continental in origin. Locally weathered partly to clay. Ttu, upper member: poorly sorted, poorly stratified tuffaceous sandstone, conglomerate, mudstone, boul- dery mudflow (2?) deposits, and thin, fine-grained beds of tuff; contains quartz and calcite veins near intru- sive bodies. Thickness 300 to 500 feet. Tta, middle member: arkosic sandsione, mudstone, shale,and claystone, thin egal bed near base; similar to Renton Formation. Thickness 250 to 500 feet. Ttl, lower member: similar to upper member, contains some lava flows (2); locally, a clayey profile of weath- ering is preserved in sandstone at top. Thickness more than 1,500 feet N 182,000 NI C I PA L : '386.0' -——— — ee —— ~_— ~ ee 'ne 700 ~y{A— -_ - _ — — ~ ~ ~ § - i. \ \ J ae 7 e { A 3% . 30 a ‘ a — 9 ~~ att 98 BB heres O} Ag C Bt Atderweed Gavel RECEIVED aeons, J CITY OF RENTON A XHIBIT NO. L som ly Sandy Loam wy ef 2519739 ITEM NO. R- ot. 79 Be — 15°-20%4e SLOPE C BB Beavcite Ornvelly Sandy Loan 6-164 Slope Z Bi QlO M1247 213444516 weve . : ms vs IS -20 0 SLOPE rs | 4-154 Sore In Cy Mi fndianola. Loamy Fine Sane _— _ — _ _— — —_ — _ — an em _— oo o ~_ —— _ ”_ — — _ —— —_ — e Al e r o e r MY ae EN T , -«