THE USE OF WOOD FOR FUEL. es} 
TABLE 8.—Heat values of cordwood, based on Madison Laboratory weights.—Con. 
Available heat units 
per cord of 90 solid |Per cent ofshort- 
cubic feet (in mil- | ton coal value. 
lions B. t. u.). 
Species. 
Air-dry. | Green. | Air-dry.| Green. 
Buekeyesyellow (A octandra))..25-.--<22---02-c- sce nee eeos ores 12.8 10.1 49 39 
Baek nomNucih. PUTSHIANA) joie oc - 055262 oes esse ecese- snes 20.2 18.6 78 72 
SHIT LOrPREEIC s CINICTED) bo. 5 =a tk aeveefe os nid wieeiee 2 simre emiecteteeisinise aw 14.3 12.2 55 47 
Chinquapin, western (C. chrysophylla)...........--.------------ 17.2 13.9 66 53 
iehermny lack (P§serotina) 2.2 #20 55-.6 42.22 oss so seecseee cess 18.5 17.3 71 67 
Wileired) (..pennsylVanica) ce s-. 25.2 sci- Poon secsde eo oenice= 14.2 13.5 55 52 
TIE ESTE (BUCY) a a sea 15.6 12.9 60 50 
SEOUL i LTICHOCATDA) Gan sete e sciace coms ses once ee seee ees 12.8 10.5 49 40 
MALCHMNGOC GE GELLOICES) xcs naeene ee oe ode cesocces neeceaseetebans 15.0 12-7 58 49 
SeHMneE (IM ACUMINAtA) = =6 = 72 sco 2on- eles ctaceseaeees 17.8 16.0 68 62 
PMeswood) flowering (GC. florida) 22... ..25).052-25.6)522 222i... 1.2 25.2 23.7 97 91 
Westonn (Contato ssp scsscane cooled set eeaegne eee 22.4 21.4 86 82 
PEE PATO (SMelaucA) i coke ep kes GAT oll care erat! 18.4 15.2 71 58 
aPICORA WU ATACEINOSA) sone hae ec hse enol hes Dee Renee Te: 22.6 21.5 87 83 
BienwiGWendbescens).i) ei... cs TSE TSE: 19.1 17.1 73 66 
MFIEONUM AMenCana)s. sb eee Po eer eee ees 17.7 15.8 68 61 
Gum, black (N. silvatica).................. RRs i asta aa st 18.5 17.4 71 67 
Beige PODS) os. 20k sees scales seo we dasisce canons 24.1 22.4 93 86 
WOLLOMICN SAGUATICA) = bp ee ee et Se Se eee gee 18.5 16.2 71 62 
vcr GNStVFACHIUA): 25 [Uae te naa ho NE Oe eR 17.7 16.0 68 62 
Hackbernya(O occidentalis) <i4: 0220.23... oee ks cee cece celeue 19.1 17.7 73 68 
ERA WASpash(CSLOMENCOSS) eos foe jek tocee sole coe c een se ee eee 24.8 23.1 95 89 
ENCKOLY, Shellbark (Ee laciniosa):- 2.2.2. csc. cae cso cuec sade ee 24.8 23.1 95 89 
Bi ferme Cee mings) sess ee ek SE ee ee Rae 24.2 22.2 93 86 
MOCK CErititl GE alti) tet ne chee sel tenon eee oda 25.4 23.8 98 92 
Nutmeg (H. myristicae formis)....................-.------- 22.0 19.9 85 77 
LPPETET: (BLS yoyereeena) VS my pee one ae dr a REDE 24.2 22.5 93 87 
pate labra). oteean yaseet ess kL Dae eg eae 25.9 24.7 100 95 
Shiceasts ka CHR OV ATA) St cree ace cece eee ec 25.4 23.8 98 92 
Mattcn@Hnaquaticn) Jastt iki silico ie Ca ee 24.5 21.6 94 83 
TE PEUEN ana IS Be SS A et 2 a cin ne rE 19.6 17.8 75 68 
iornibeam(@ svirginiana)) oot Hse. cesccee eee. ee ee noes eSke 24.7 93.5 95 90 
Panrel) Calitornial(Uscaliformica)..)....52.... 222.222... 2. ese 20.7 18.8 80 72 
Monmiiain (Kelatilolia) ide steer Te es 24.9 23.2 96 89 
Locust, black (R. pseudacacia).........- 26:5 25.4 102 98 
Honey (G. triacanthos)........ 24.5 22.5 94 87 
Mondrona (A. menziesii).............. 22.6 20.9 87 80 
Magnolia, evergreen (M. foetida) 18.4 15.5 71 60 
Maple, Oregon (A! macrophyllum)_..._........--.---2.----.-..- 17.7 16235) 4) (68 63 
CAMO MrT DIIIT) ee aL Ree NR See 19.1 17.6 73 68 
17.9 16.4 69 63 
21.8 20.4 84 78 
22.6 20.8 87 80 
20.5 17.7 79 68 
27.5 25.7 106 99 
22.4 20.7 86 80 
24.0 22.1 92 85 
21.7 19.6 83 15 
25.3 23.4 97 90 
24.0 22.2 92 85 
21.7 19.6 83 75 
20.4 18.1 78 70 
24.0 21.9 92 84 
25.1 23.4 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 
17.2 15.7 66 60 
19.9 18.2 77 70 
17.9 16.9 69 65 
18.5 17.1 71 66 
18. 5 16. 6 71 64 
15.5 13.8 60 03 
a 20.8 18.6 80 72 
: ie. nigra)... 13.5 10.9 52 42 
Western, Diack (S,laslandra). 2.0.33. ceus ce iee enc oceo ssc 15.5 13.4 60 52 
Witcn hazel (EL) wirginianayi iio. 8s sii Ed 21.8 20.1 84 w7 
elow poplar (12> Fulipitera) 4245. -pccsecaeseeesecsadcceenennece 15.1 13.9 58 53 
