10 MISC. PUBLICATION 225, U. S. DEPT. OF AGRICULTURE 
TaBLE 18.—Basal area in square feet from given diameters of 0.1 to 60 inches} 
Diameter, Area of || Diameter, Area of | Diameter, Area of Diameter, Area of 
inches circle | | inches circle | inches circle inches circle 
Sq. ft. es ee Sq. ft Sq. ft Sq. ft 
DES cee es 0. 0061 i (eS eee ia a 0 1 Usa pei Rewniees. wi 1. 3444 Deh eee ae 3. 0121 
oer eee Bee . 0002 Ba ok srrege me 3491 15 .8e goed 1. 3616 ah ees Sees 3. 0377 
O32. eee O005 ==) || "Sats see 3578 Ate Seer 1. 3789 RE ak as Mee 3. 0635--+ 
Q:4 ene Soe See 0009 B20 imaare: 3667 iGem 5 =. Se 1. 3963 TAN BO 3. 0S95— 
O'5r eee, 0014 SBE N et 2 3757 1G tee = See 1. 4138 TRIG Sree 3. 1155— 
Ol6= ees ea 0020 SA i aie 50 3848 AGF does 1.4314 Zan MC SIS 3. 1416 
O75 o ae 0027 Si erewae oe . 3941 iGmece aos Fe 1. 4491 DAR SOE: 3. 1678 
OiSets wee ae O035=—||(S Ghee . 4034 Grae boas 1. 4669 DAS BSE ce 3. 1942 
O:O5r oe mere 0044 oe ieee . 4128 1 ee Oe 1. 4849 2ATS Ree 3. 2206 
[has Snes eae 0055— ||°S.8is2ee5_ __ . 4224 165642 es 1. 5029 DAA ea wee 3. 2472 
1 [es Wiese eta Leos 0066 S Oe eirapee . 4320 Gwe f= ees 15201) TAM See 3. 2739 
eters Site 0079 eee ee . 4418 Tr) fo 1. 5394 ZAG eae eee 3. 3006 
i Lee eget “ae 0092 i ee es ee . 4517 168052 Sooke 1. 5578 DARTS as aes 3. 3275-++ 
i ie Pe Soy . 0107 Oe casa Oe 52 . 4616 yee eee: 1. 5763 JANGS 2S 3. 3545+ 
1 ia se ees Ss . 0123 Sie se see .4717 i yc eee, 1. 5948 DAIQ ES ok one 3. 3816 
WEG a Gries . 0140 Le ae ey ee . 4819 yaaa See ee Se 1. 6136 Divi cs Res 3. 4088 
1 ey Se Ee oc . 0158 Oey es . 4922 11/53 eens, Be 1. 6324 PAF | | Seeageh yeg sh) 3. 4362 
i [ese pete Os 0177 0:6. gases 2 = . 5027 ily (<a een 2a 1. 6513 DUONG ee 3. 4636 
y OR tenes eee . 0197 QUG ete Tee SOLS? IU Gis aes BB 1. 6703 A ee BU 5 3.4911 
D2 5, RAG Te . 0218 ORE tee eee 5238 HAGE. Se ees 16895 —- hehe Sees 3. 5188 
Dili D1 Ate oe 0241 O19. Sadie SO . 5346 i Uy erage Ves 1. 7087 Dhtp en ee ee 3. 5466 
Did hs ae B 0264 1 Qivake sey 28 Ue . 5454 UijeSwe Reet 1. 7281 251Ge 2 ee 3. 5744 
DQ ee. Hees Sk . 0289 LOMie). see . 5564 N7COR: ewe Be 1. 7476 Dale SACRA 3. 6024 
DAS GE a: . 0314 IQ Decne < 5675 |||Pl Sree es 1. 7671 DAN 3) Aneel 3. 6305+ 
2 Gash: Buea . 0341 1G: 3 ees Ses . 5786 1 es) oe ee 1. 7868 QhiGn ee Fae 3. 6587 
2 GU Mier Braet pee sO369— Sl) EOi4 Gesu . 5899 USt2ie 2S2 BS 1. 8066 2685 oes 3. 6870 
OA (eee ae 0398 tO: 5 Seek See . 6013 QU eve fee 158265 -a1| 26a = oe: eee 3. 7154 
DIR are ae 0428 LOG. ee 6128 19:4 80 eS 1. 8466 26 eB 3. 7439 
Poste 2 ees ee £2 0459 NOI 7 Resse . 6244 AQUR ee? Lae ee 1. 8667 Pen op a Ad 3. 7726 
RES eae a 0491 TOSS peareete ae. . 6362 USGS. 22 sae 1. 8869 25AL 2a ee 3. 8013 
B18 elie eS 0524 LO:92 25am . 6480 Ch ees Es 1. 9073 ZI De as Biv 3. 8302 
Si as eas 0559 | eee os ee . 6600 1RiR eyelets 1. 9277 26:62 oan hee 3. 8591 
Suey tee easton 0594 1G 5) eee eee . 6720 1S: Geo ae tes 1. 9483 Dec ee 3. 8882 
SSA by eee ee eee 0631 PED meet 6842 LORE 5 ee 1. 9689 Pe dco). een Sn 3. 917. 
Seeley ee 0668 1a Sie on ee 6964 DOMwy 2 ead 1. 9897 26:98 2 Sho 25 | eS OAGY, 
SIGUE a eee 0707 11] 7: Reese Se 7088 19:2 See oe 2. 0105 PA fe, Ses SR 3. 9761 
By ee ae O747 USL SE eee eee 7213 RORSO AE Bae 2.0316 | ZU MES So Ebel 4. 0056 
SIR ex ota 0788 DEG qebeaeng 7339 194ane Teese 2. 0527 Doak, ene Rade 4. 0352 
Po Je cs eet 0830 1h eos 7466 1h ee ees 2. 0739 PA enti ae 4. 0649 
Aa Taye ate RS 0873 ES er 7594 [Ol Gas s-2ies 2. 0953 yf. | Se See 4. 0948 
Aoleates wewe:. 0917 1 At eS eee T7724 POLaseE See 2 2. 1167 (PS) eee apes 4. 1247 
Al) sess Se te . 0962 1 0.Gee SS eee 7854 i GS oj ae Ce ee 2. 1382 7 fe (Seen tere 4.1548 
ABS eek Keo eis . 1008 Va eo ee FR b=) ti 199s se 2. 1599 le es So 4.1849 
YW. Oe Rea = . 1056 LOO aueraiee .8118 Obie BaF 2.1817 D7. Bene Soe 4. 2152 
5 pear tle ey . 1104 1 2 ae . 8252 20s. Fe 220305- 1 1527.98 ae 4. 2456 
AGS sso R es eto || Ord Seeaiinn i . 8386 ADPZS: F0=S ke. 2 2255-4 2S eee See 4. 2761 
yy (nai eed oes P05 — (2th a See 8522 DOSE Se oe sks 2. 2476 7c 9) | LSE Semen? 4. 3067 
AER Assi pee E1257 DIG seine. ee 8659 My ARS GBs ani 2. 2698 Das ho Sy Sewanee Sey 4. 337 
AOE SS . 1310 1 (ee ee 8797 ZO ihe Sos See 2. 2921 23:308 ees 4, 3682 
Li Wiarstae Sore oe Ws . 1364 DER Yas ee Soe 8936 AG 5 ee 2 ST45- 928 dee ae 4. 3991 
al eee . 1419 13.8 Es ee . 9076 2. )57 (oa et 2. 3371 28 jeeses ES 4. 4301 
Lif AEN eet te ee 1S stAib =. |i lbh wean Se 9218 A) Se ae ae 2. 3597 Doi Re ae 4. 4613 
5igeer eel yee . 1532 LON eieoteese 8 Be 9360 20 Ose. Se 2. 3824 pe i (ot eee 4.49254 
Ly a a ee . 1599 1183 ONES Ee 9503 Die Bo My sees 2. 4053 28:8 ee 4, 5239 
hibt ate ees . 1650 StS eee. 9648 DATE Fa 2. 4282 DS.0US os oe 4, 5554 
HiGER TE eee. . 1710 PSA ede wk 9793 74 ae See 2. 4513 DO ENS 25, ree 4. 5869 
sae ALW Y(F- BED eee eee . 9940 ALS ee eee 2, 4(45—FI) 20 Fee eee 4, 6186 
Lio Vieng ae 1835 —— |b siGeeene eee 1. 0088 DARASE os) oto 2. 4978 20: 2S 22: ALE © 4. 6504 
piQ meee See . 1899 USt7 Pore E - 1. 0237 IAC: ae eee 2. 5212 29: 3E0 se: oe 2a 4. 6823 
Ge eee en . 1963 SIS e We Fe 1. 0387 PAN Oe Se 2. 5447 20 dees eer 4.7144 
O.1b See Ss . 2029 1319 eee Fs 1. 0538 Foi IS (2 Lee eerie Eo 2. 5683 20 Se ee 4. 7465— 
6: 2aics eet S . 2097 WAR oo he Sp 1. 0690 AS eee 2. 5920 29 Gee Fs 4. 7787 
6.3). 45 Seees 2165— Ian Wet Ses 1. 0843 DASE te 2S, Se 2. 6159 29 ie ee 4.8111 
GAazeieis bn ee 2234 TALO be eh ae 1. 0988 Fale iae ae SENGEgS & 2. 6398 20. SEE ee ee 4. 8435+ 
6:53 see ae . 2304 14S 3 sparse Lee S, 1.1153 22 UE ae Ss 2. 6639 Pails ees BSI 4. 8761 
6.65 5225 . 2376 PATA ae ee 1.1310 Ta Aa SE ae 2. 688 30: ee 4. 9087 
Goh eee . 2448 athe Sas eee 1. 1467 FI a OE Bae 2. 7123 3Qc SS eae 4.9415+ 
G:8i2te. Seep” . 2522 Ar GE Seta 1. 1626 SIA nas ae DA 2. 7367 3 2 eee 4.9744 
6: Qiks ass gina . 2597 Aare Sere eta 1. 1786 ZI EER 2. 7612 30:3 aes es 5. 0074 
$2 See . 2673 HATS oe ee 1. 1947 2eibh ss ee a8 2.7858 30142) Se 5. 0405-+ 
Cale Seem Se . 2749 1 4t Quam ec SAE 1. 2109 A ie eRe mee 2. 8105— 1-30.52 es 5. 0737 
(fy eS ee . 2827 pee ee ae 2272 DOSES ee eae 2. 8353 20:62 5. 1071 
Yer ee eS . 2907 [isl age ee 1. 2436 Poe ek nae 2. 8602 SOG eee 5. 1405— 
yh Paseo ae . 2987 15ers 1. 2601 Be eae eS RE 2. 8852 BOS 7st ae ae 5. 1740 
El es Bnei 2 . 3068 a See ee 1. 2768 1 eal i ease 2.9104 30:92 2. sea 5. 2077 
Vii ewe eee . 3150 GAS a See US ATR | PAL CdE oe 2. 9356 Sik = he eeee 5. 2414 
Vy Pees gOS . 3234 Get ae 1. 3104 Pause Seasons 2.9610 Sie eee 5. 2753 
roe ee Sails) PG a ees 1. 3273 7a eee os 2:9865— Ul Sie 5. 3093 
i in .1415926536; basal area in sq. ft. =0.0054541539/ (0.005454154) times the square of the diameter in 
inches 
