40 BULLETIN 704, U. S. DEPARTMENT OF AGRICULTURE. 
INDEX OF MATERIALS AND USE. 
BRICK. Page 
Brol. “Four-inchivitritied paving? Drickien sanecen cen akese semen ee eee See eee eon ae Sate sl 
IBV Maligere au avelol ilanuaKeXGl yo prAnAyer [OAC ee tee kn ucmados cockeoedcleave 23 
GRAVEL. 
ARS, BH ADLTaRD AYO LUIS, GUUMEKOS WR OOKONLS soo Soe S Ceo nase e oe ede Set eee seen esebesedeanosc 6 
GBC-2. Coarse aggregate bituminous concrete wearing courses-...............-...------------- 17 
IAL Idilikerp scorn famewaulys) ollorelic joe NyeEON MM 4s pe sod coo eae Woe sau sbSoaas sone de ddeuaenno deed neces 25 
RC-2*) Portland cement concrete baseees-) 2s. eee eee ee ZHAN Ae at Jal PLAT er aT on 14 
GWele Water-bound|eraveliroa das san lies an ses)! eben ma enn UTC ale eal a de eR et eae pees 16 
MINERAL FILLER. 
RBC-2. Bituminous concrete, coarse broken stone aggregate-...............-.-...2--2.--------- 9 
GBC_2; Bituminous concrete.|coarse)eravelliag ene ca teeeen se sens ae sae esta eee a 17 
RBC-3. Bituminous concrete, fine aggregate...........---------------- Aad ELAN Sih al ees OAR Ae 10 
RiBG-4. Sheet asphalt sc. ican Yoichi hone coesta ice el cies ate Le poser alee uae Rs as me ape ae RAL eS 11 
PORTLAND CEMENT. 
CGM WANTD MAS OS es 2 ee Ai i A th eae A tea US eee A a SR a 20 
SAND. 
RBC—4. Bind er/coursessneetiasp mall tmaiviery Cl Ge separ iar epee ory ee 11 
RBC-2. Bituminous concrete, coarse broken stone aggregate .-.............-.-----2-22-2--- eee 9 
GBC-2. Bituminous concrete, coarse gravel aggregate-................2222- 22222 eee eee eee iy 
Bris Cushion sand Mpricks pavements cara je se ples peste r= ree ey ea eo iy 20 
Br-2. Cushion|sands brick, pa vem Cnt «cj 2525) GaSe eee ets aurea teen aN depen ye pret 23 
R= Cushion sand. eranite) block payem enter ces ee eee el eae ale eee 25 
eR Cor oularayes Sonal ohaelic op anaaieoouseoouwssyyenatsenn och ncou ee osel seal ccouecuckasuese 21 
Br-2-,Growvine; San G "Ori Ck Pa VemMUelMG less seta ses cree eee cet Rg on ta ee ee 23 
RoPVGroutims sand werami Ce rolOcks pay veran CU tices crest (eae pee pn ees ae ss eae gd 25 
RICA pont lan dy ceraem | COME LE ip ative ran © MG eae arate enn ec ae ne prityagatil |? 
RiC-24Kb ortlandicem emt som Grebe loaSel yey eyte e ee pasenyem eeee aan pete gO ee 14 
RBC 4 Sheetiasp lal t aw Ca rill el C OUTS 6 mperewyerelere epaeeetee st eee ePre ee 11 
SAND CLAY. 
Sdols Sand-clary: Or GOpSOT maT G UTES se oe ese Ce pecs Sepa ete a 19 
SLAG. 
SewW-2.. Water-bound bases wei eos e seek at ces he amoe Reels eaeeeiee ame a ale me RIN One mah Vee ee 18 
STONE. 
NB Cade pindercourse, Sheetiasplalt pewennem tay as see ey ere eee ye ee 11 
RIB C=2-yBitUIM1N OUS CONCKELE NC OATSC) AS ETe Laie oases eet em nae aot ea 9 
RB C-3. Bituminous) Concrete, time Ae ere LAL cere eye eee are tee oe mei aetna 10 
RBC-1. Bituminous concrete, one size stone..........---------.---- RCS eee ome Mn el tO Re! 8 
RS=1. Bituminous surface treatment, coarse stone. 2.222 22222222 222 eee Soi seo ee 5 
HS-25) Bituminous SsurIAce breatment, time) StOMe x= aise ys oe er at ieee meyer 6 
C=2-. Portlandy Cent emibiCOMGre Ley Ode ext epee a eee aera era ey ae a 14 
Ri C=127Rortland (cementiConcrebespaw emit aas seep omen mie An ay ery Okie at aarp it eeeaie nan 13 
RIW=2;/Weater-Boum dase crs). eee aS Pail eeseeenepe ese apne ee ans Ee rey I che OTE er ee 5 
RIW=1.  Water-bound macadam:5 40 cee fie He See SINS Teal eS ONO inch Rieter ee Rie meen 4 
STONE BLOCK. 
R12 Granite DLO soe wis iu None Eee ea OO pele a nth a ci eyo Ua a ee Le oe Ree eee 25 
TOPSOIL. 
Sd-1eoTopsoilior sand -clay, Mm UXbUresia rare a seer eee tes eet tote) ner ee ea ee 19 
TOTAL MINERAL AGGREGATE. 
RBC-4” Binder course, sheetjasphalt, pavement. 25) he). 0 oe eee eee eee ee il | 
RiBC-3s) Bituminous concreve, tine asene sale lee yee eae ele er en eee tae ene ree 10 ! 
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