Show F CLA f A 8 ROA D IM NOT ALC EXCEPT IN WALL TItS atu asia as ft ft a kelt I 1 if soma T arl 1 rota 4 11 01 I 1 was on 1 mf I tres out 4 wear tr so 1 4 tho part played bt by water on an crushed 0 heir ai bile 1 under ox rolling esav li w 4 fold la 1111 practice M broke atone ton etna 4 wet well down li to rolled alb gift roller toiler hig lug ten or aw too tha wt surface of the inglar it kek ariment fri ment more thorough be water r aff aclo a la in allowing 11 ins the lh irow to slip alp by me souther with greater freedom llan tan avald tw be the cue cam were the fragments tar at the sometime lame time the tb arater fiterre i abr tb powdery 4 rock rork resulting from akion braa ioa of the b particles and sad bolda holds it the tb fragments frag menta this proms Is md and cuma lauraf far fm the tb presence of the powder et of attrition acts taro agis espil capillarity larity to take up and sull retain till still greater quan miles of water cotil until lie the between the tb of broken boue composing the upper part of the road become fon cons with milli powdered rock net not a little of lk cementing or bonding of a rod road dorlag during rolling tolling ii it in reality the of capillarity th pirline of powdered rock ari the ad joining wall walla this principle may Leot on oat our seashores and and sand gremli while wr t hl h lee or road toad may le be firm and viny idl alir 11 lowing heavily loaded to le pau pass over them lot but when dry nah nth place places am arn Im I 1 for heavy trams and difficult of for or all klada of in this case cement fog as understood plays m pall in Adb eJon bet between ivern abe lb lalni upon drying the alq entirely rely fire free to over cue one another anit lr cavino lettu ir t tho f cowl TY 1 if to hod mug theat together when Bia cadam road toad li IN thoroughly compacted a careful will box bow bat that ibe the fragments of broken stone ton ato clowley end and the pacts u are a line rock which if it derived froia from a nits ble rond material carries a swall i percentage tage of cay clay any of oar our corn com voloney used to kovl ul stone acut mine aa an ap ble or of clay disseminated C HI little tle particles part idra to the it boo ba been derived by the weathering of 06 be rock to ita its removal arm R tu tbt 1 the I ope shows that tho the felb pr of oar out trap aud mud granites and other kowl atoms 14 nestr cut irely free from 1 amount of of 0 Itna tVa to flay clay this mango is albu I place lu in the cm of the earth to ik art a rt rat derth aud mud no road mgt material can cam I 1 boutain atts m feldspars free from moto or gifts of this 11 upon the of the rock aud the amount of aluk to which it haj has ben been sub ewt ly gradual wearing of the lh w botar arf by toe too abrasive abra sivo 1 action of the the ilia wheels acel of carriages carri agra and tho ieee bt animals ul malf ft a small liot but of clay Is liberated and thin hi m with auy any clayey ink atal that tha may linto have been amed bcd to the wpc 4 to fish the of to knit the broken it Is not 10 be that ao an appel able quantity chy clay net than cotlon 4 when aeed lu in As a v te t athing man the clay element rl acut to a highway em emstrum tu yet a R little mixed with some cf of nor iee thern alm ilm cllnton serves to in ill eff ww itkin cementing and enduring upon drying ibe the pondered eck reck cc veto enuch after tho of a alf aud serve snot not only to bind hw ote of rock together abas giving to the he way but to retard the we waff deft lo 10 my differential motion of abe fragments ot ivr r ono coo while 4 t 1044 if Is caming along the rond rend A weing of tats portion of a roadway Tee ewy drs dr dv s talus tends by the ex x pam P am cf of cement to knit the ivr sur tam aud and lunke it impermeable to hw the ee go or of water arm a standpoint it 4 W kent that a certa lucon of instead of being ob lit to a roadway undergoing cee tet Is rather desirable thao than A condition 1 ot of tuoi revca to prevent lor joe cf of material worn j fine am loy the be abrasive action of ibe the wind winds aed oad ibe the pence roce ofa thin aim film of wet deat ae 04 a to protect the tb heift ct of lock from the rude touch iffet all if wet of traffic thus icea jew 1 acar car and tear of the aur face la in the me macinic the molit carmot to distribute the bearing sur nr flees vt ec the broken stone and to reduce 16 tb local of uio the friction be twe tween 0 rock sock and another although wei ja ju this condition will tend to allow a greater tre edca cf movement ammil the broken atoms and hence ill in thia this way make live lie surface more inore yield arg Amu that the lom 1 through fremed abrasion of mate material riat smiting tree we anict at vecient between ibe the rock agitate agn tate 1 li IV equal to the he saying doe due to abe effect of a small quant ka y at moisture Boia toro on the sort we there at ill aty arcadis Arc afis a saying ting to the road bythe by tb afford afforded cd by preventing ex es n wrice luea WAS throop the of the vlad 1 lis ilis I to the rostom in england to plant kieft aws beside road rondo te in eve cwm to a rapid drying of ibe the V roo dafter a rain by the tb nos anns action ill ZA germany it baa bag been the practice to i fiet frait fruit in particularly the cherry au chwe brie in france tile mu mulberry iberry tree amsy ay iy be seen the roadside road mv ley log the doable purpose of fod for alla ILL aed and chade n 10 I 1 ma we ru prudent esq fa it 4 been le ibo lb ro matter atter toe the lw hihath WC question mut must of efe gwawr latitude and longitude P ea sw the ibara cUr of the frers ufa rill 11 aurith ih therein and sod their re to Hi satio matto conditional condition aO L |