THE USE OF WOOD FOR FUEL. 29 
TABLE 8.—Heat values of cordwood, based on Madison Laboratory weights.—Con. 
Ss nnn cn en a 
Available heat units 
per cord of 90 solid |Per cent ofshort- 
cubic feet (in mil- | fon coal value. 
lions B. t. u.). 
Species. 
Air-dry. Green. | Air-dry.| Green. 
Buckeye, yellow (A. octandra)..........-.-----------+---+-+-+--- 12.8 10.1 49 39 
Buckthorn CR. purshisna))< 22 a.ea.---- se ee ok A ee 20.2 18.6 78 72 
legate (A), Gin) GoogsodososeesseuceossodeceoocumraoS-cen5ec 14.3 12.2 55 47 
Chinquapin, western (C. chrysophylla).......-.-.--------------- 17.2 13.9 66 53 
Gherry, black (BP) Serotina) = 22. e s2-- 24-6 o ep = = 18.5 17.3 71 67 
iWaldbnediGe PenNSylVANiCa) one ee meee celine see -llelel= erates ie 14.2 13.5 55 52 
ics: (CONG TE) aa Aaa SR ARE Be RYE ae Bec mee si aaemeet 15.6 12.9 60 50 
Batson woud) Gea trichocanpa)) cue Wee ce ses reece pena since acute 12.8 10.5 49 40 
MOLLOM WOO Gee GElLOIGES) seeme sens sean ane cits esis siecle ae 15.0 WAG 58 49 
SrcuMmine CM NACUININALS) score sat ees ens - ceeeeiccese cere sere 17.8 16.0 68 62 
Morwood, tlowerme (C! florida): 3... 2-228. 2822. 22822222... 25.2 23.7 97 91 
RVVICSTOETI (COME La llin era ere cya semana aa SS raat cy etnte 22.4 21.4 86 82 
RIerepale(ssllauca ener oP meme acon SNORE Eee Ree te ee 18.4 15.2 71 58 
(BHI CORKACUi Ara COOSA hee Aeon Meese hice enue cme cine 22.6 Pile) 87 183 
Slippery (UR pilbestans) hoy ae ee ae ie a! 19.1 ileal 73 66 
WIEN GO QW a TiN CLIC) Maes Skeecer ein eye te iel oy satan orerat idle Cf 15.8 68 61 
MrMiMblac ka Ne SilwAtiGd) ics smi ge ose ace ter ose matali 18.5 17.4 71 67 
Bilge clobulus)seeeeetcenccos ee ene TURES Ai Connect 24.1 22.4 93 86 
WO EEOM GN GTEC ae IN ae OU VO ort cee 18.5 16.2 71 62 
Rca CUASt UAC A) cee nt aerieee tye co eRn ay” el ED aia oa 73 7/ 16.0 68 62 
Pac epereye (Oo OCCIGEMtalS ese nme aes te aN 19.1 17.7 73 68 
Ela werpeat (Cu tOmMentOSa) a enn eee wee ems EO UN Maree Ne 24.8 23.1 95 89 
ickonyishellbarkGHalaciniosa) icc saseels sons eee eh ae 24.8 23.1 95 89 
BiGbenm ert) QElemint try a) eee tee Ne RNA AI A ERE 24.2 22.2 93 86 
MEGCICIMULE Cela alos eer eee nie le eet cm tee eee 25.4 23.8 98 92 
Witmer: CEimyristicaetormis)2ces-.6. 5050). 2 ee 22.0 19.9 85 77 
REC ATINGEI ND OCATD yee te ete ne ha ray Rate Vana MIE We Pig 24.2 2095 93 87 
Leta ae OE Oe 60) ee Noah eee ag La Ae Ope Ms I regen Mee 25.9 24.7 100 95 
SHae bank CEI ONATA) Sobek ce eee mee RRC ee eer) 25.4 23.8 98 92 
Wratorbe atiatica) mmm stctes seek ikn Cees cere SHOWN AE IE 8 HS 24.5 21.6 94 83 
RGN va CIOpaCa ie dee cee ered ae eee iit Mea en sls eet Culsie esp he 19.6 17.8 75 68 
Hornbeaml(Opvirsiniana) 2. cbc A ae en oes Pier 24.7 23.5 95 90 
Mannel@aliformia (Ua calitornicayes +: = sees ek 20.7 18.8 80 72 
Mountain) Ce latifolia) ac wove wen amr oan aie Naty 24.9 23.2 96 89 
OeISE DlAck| CR PSCUGacacia yee tL .b emt a yy Ai, 26.5 25.4 102 98 
Elona yvAdG MtLiIAeATi PHOS) on im sium WS MOGI sts | 24.5 22.5 94 87 
ior ROTI CACHIMEMZICSI) Mie ane eie tel eta ee alot te NN 22.6 20.9 87 80 
Magnolia, evergreen (M. foctida)...........-----------ee2---eeee 18.4 15.5 71 60 
Maple. Oreconi GAnimacropiy lim). 05 esse eco ee es. 17.7 16.3 68 63 
Red (NGrubram) sce ee en INE eke Tein 19.1 17.6 73 68 
Silmem@Ne Saccharum) ely hen ale ale ean 17.9 16.4 69 63 
Siican GAasacch artim) pacman hele an ei Teac CRG INChiT: 21.8 920. 4 84 78 
eran (Qumacrocarpa) eee ek ee SN 22.6 90.8 87 80 
Caltorniay blacks (@)califomica)\ occ o ee a 20.5 17.7 79 68 
mayonplive (@\chrysolepis)si 205. las el 27.5 25.7 106 99 
CHESTMUEI COs PRINUS) accesso te cna see EI TAN EEE Ia 22.4 20.7 86 80 
24.0 22.1 92 85 
21.7 19.6 83 79 
25.3 23.4 97 90 
24.0 92.2 92 85 
21.7 19.6 83 75 
20. 4 18.1 78 70 
24.0 21.9 92 84 
25.1 93.4 97 90 
21.7 19.7 83 76 
21.7 19.4 83 75 
23.9 22.4 92 86 
21.2 19.3 82 74 
22.0 19.7 85 76 
30.8 30.1 118 116 
25.0 24.0 96 92 
19.5 17.2 75 65 
17.2 15.7 66 60 
: 26.1 25.2 100 97 
odendron carolinum) 17.2 15u7 66 60 
Sourwood aye nerum ATDOLOUIM) a ey eee eh See ee 19.9 18. 2 77 70 
VENTS es (CLE: eo 1) pg a Nc aT a Te 17.9 16.9 69 65 
Sugarberry (Celtis mississippiensis) ...........-.-...-.--........ 18.5 17.1 71 66 
Srenniora(be occidentalis). =... 2... te sees ce, 18.5 16. 6 71 64 
Umbrella eee ATASOLD) Papers Sal cea ts fv ee mate dk PRG ul 15.5 13.8 60 3 
Menui pickin mist) oe ol eee 20.8 18.6 80 (fe 
Willow, black (S. ni a RD HAG a A eh ii er gd or Cah gy he: 13.5 10.9 52 42 
_ Western, black GS. ES Cane Ta Fi) a gaia, A hia neg ANT 15.5 13.4 60 52 
Witch hazel (H. virginiana)....... OPN PRC E My NE i VAL NEE ES 21.8 20.1 84 7 
