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. Department bulletin. Agriculture; Agriculture. PHYSICAL TESTS OF ROAD-BUILDING ROCK. 11 »Ot^h-QO ^OOOOCO NCOCCONH C3 00* CO CO 00 »0 00NI>(NrH00h--*OW3^^*^iidcdc0-*t^*'^O NOOONfdfOONNOOO'* rtOtO(DI>05'-iwtNOHiO 5t--<NaicOCOcOt-~Q0<NQ0ai NN CO. :=* wG : * : * : ; j5 6 C=3 W)g d^d : do ^T3rd'1^ R 2 Bin *d 5 ^ _j >d *d fir's "H â =* â â © 2 c3 ⢠R >r? â â tf^S NONOOCOOOlHlNWt-H COI>.(N(M-^I>.oS-^Ol>.OOCO ohcoohh^oioooib S CO'^I i-> fc* iH i-4 CD |> «# 00 U8 1© <040 C8| ^H *tf OS CO *f0OO tJ * r-^ cd >o »o »o cd »o oo mh -^ co ci >d >d co o ci co co * **" «3 i/S ci fffl â * co oo â¢*0)COHH-*;HO>OOJ«50>NO>0,fNr»COONOi:OOOJ(0 ^cooScirH^co'coo^r^odoioco^^oocooQOcococ^idc^ iococow0'fot^cooo<Mh-ONooaiOHOoi'H(zi(^ioa) cr5o^coco*coco^^^^^^^^cooo'^'^'--HO .t^»dcooo^id-^o JCOOOh-NHOOOiHHCICOOOWNNCO'fiOOOOOOOONiOONlO IcOidcDcDr-HcOcor-tCOOcO-^iOC ^CONHNCOOOKD'TONN i-H NWMHHrtNiOcO NOJO*MiO,*WcO'CcoolOi>o050ThC^^co1^cnl^alr^3^cO'-lco ^â ^OS«OcO^DtOcDOlOcDtOtOtD|OCDW^OcDcDCOfOcO(DlOcOT^00 ' o^o,3 £ooooooo5°°fe-goo Si c's>g r^T3 K'^TdrU)'r3rOrTj'T3'd C3T3T3 Sdddddoddi â 3 3 â 'S^ ⢠: s '' Qfl 3 2 Wen; ddddddaddfl'Jfl dtn5 ddSc§oddcddg ::::::.: â¢'S' ;::::: :pq â e^t»iocor*»ooa» H^c^c^^c^c^c^io^i^^coi>-i^c^i^^r^co^^co^cc_ro:^coc "â "'HC5CCCOCO(NMC,JlN: SCO o o o o o o o o o c_ 05^iH-HMMHHrH^o50'H'^^cRam5iOLOio-it>.a500'--^-''-iiN. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. Washington, D. C. The Dept. : Supt. of Docs. , G. P. O.
Size: 1286px × 1943px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
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Keywords: ., bookauth, bookcentury1900, bookdecade1920, booksubjectagriculture
