Document oMDEVw0xkrXXdVRLR610MX8r7

\ ' ') \v i; s -1 r. i. i n o i x 1.1 * |. t H t . {(. i * t. *i JanuLjy 33, Ciil :luy:r,u rf fhins ( Jm; rhavt* Lptvin cati onj aid i tni.v.ls CoJc 3i7) J)i`pC't.ir,i ut of llr: I.'uvy V.sshiiijiyii Tl, !*' ' iif: V;i th rcfu .**'_r. oe jcur letter 5 cr.V.*r, 1?57 vt *.i c. i i z. Or.:;* 3 r:atcriJ has an allowed density of 27 p.c.f. This r>e:ifi. O protclly witttt;: i'er.r.atfirials kno-wn as ui&ivff.acusus earth tr as r.eavy rir.zriL *.;do2 l. r s k V; hiivc ,Vv'--i c i rue of Vac desirability of l:-.* cr. z:J.z i -.stall:*.; end hvt a rr.stvri .tl "-'.suh vcl^hr. only 13 p.c.f. 2- r.uois the reouirenvats tv;.- :.o: tines::, oh w.feel ir. of sceonu;u*> importance. . -ft r*o? a fi-uii'} h.-l<.v; r iV;t n mfsiv?! ;} which hi*. V:- v:..o :; v';:: ; . p.e.f. r.iy uu*s tho hurdnus:; rc-Suij'tnvr.i of Cia*,,3 2. As s natter of interest, the shrinkage is considerably lelcv the values in Table X. 1 ** ir concerned ever *.r.o ir.ttrr.rciiii ;r. rf ir. o r.aw ro-.r!;:.: rl-i ; Increase costs ;.t.s: c:i t: ly i'.'.-j-.v th:* zr. :f a Ir*. :? lira*.-ri ts i ::*:. ] class- tl;icVr.<*sc, -.ricth or.s 1n and, therefor;*, the ten ft-.::** vithdrs-.n Ja. bo a 1 u: t c **oorton ora ,:ivc:; erne:*. Ter crcr.'j r, 5 test ,r:re?s frer L0 c: c size v;o*.0d nesn vhai Ij5 pirccs would be furnished al Vie p:icc of 10 riecos. V.*C also at'; why V.`;0 ACi, is z^-zr/zz ic 1.5 Czr ir.sulot.j on. Thanh >ju UitiJly J*oi* ^ivinj; us an opporlunity t.o disuuso* iJo prupesuU Pc\,;. lours vtn- truly, . \v.I !s . CC; Mr. U. U. hnck Mr. U Vintt si.i'* h. T. "* 111 ns J.r. A. L. \ >c:ud ' * /f I i ^ T*U.'Shujnnn, Dirccior Pcscru'Ch .s llt*:nc*c:*in-> KA11.0 JUVJ^mN'