Table 6.— Net volume of growing stock and sawtimber on commercial forest land in Mary- 

 land, by stand-size classes and geographic units, 1976 



Stand-size Class 



Geographic Sawtimber Poletimber Otiier All Sampling 



unit stands stands stands stands error 



GROWING STOCK 



--------- - Million cubic feet - -- -- -- -- - Percent 



Central 1,298.7 323.3 41.2 1,663.2 4 



Southern 375.1 91.9 31.8 498.8 5 



Lower Eastern Shore 622.3 212.9 30.2 865.4 4 



Western 261.8 170.7 32^2 464.7 6 



Total, all units 2,557.9 798.8 135.4 3,492.1 2 



Sampling error 



(in percent) 3 9 14 2 



SAWTIMBER 



— Million board feet^ — — Percent 



Central 3,839.1 345.4 92.5 4,277.0 5 



Southern 981.3 122.8 45.3 1,149.4 6 



Lower Eastern Shore 1,640.9 273.8 55.4 1,970.1 5 



Western 586.3 165.6 18^2 770.1 10 



Total, all units 7,047.6 907.6 211.4 8,166.6 3 



Sampling error 



(in percent) 3 11 19 3 



a International !A-inchrule. 



Table 7.— Net volume of growing stock and sawtimber on commercial forest land in 

 Maryland, by forest type groups and geographic units, 1976 



Geographic Unit 



Lower 



Forest type 







Eastern 







Sampling 



group 



Central 



Southern 



Shore 



Western 



Total 



error 









GROWING STOCK 















- Million cubic feel - 







Percent 



White and red pine 



26.6 







16.4 



43.0 



a 



Spruce- fir 









4.8 



4.8 



b 



Loblolly and shortleaf pine 



205.7 



126.5 



474.4 



23.2 



829.8 



7 



Oak-pine 



57.5 



60.6 



63.0 



7.7 



188.8 



17 



Oak-hickory 



1,134.1 



244.6 



95.7 



246.9 



1,721.3 



5 



Oak-gum-cypress 



45.2 



24.5 



78.3 





148.0 



22 



Elm-ash-red maple 



125.4 



26.2 



153.8 



82.9 



388.3 



14 



Maple-beech-birch 



68.7 



16.4 



.2 



82.8 



168.1 



21 



Total, all type groups 



1,663.2 



498.8 



865.4 



464.7 



3,492.1 



2 









SAWTIMBER 















- Million board feet - 







Percent 



White and red pine 



10.6 







14.3 



24.9 



a 



Spruce-fir 









9.5 



9.5 



b 



Loblolly and shortleaf pine 



389.3 



240.7 



1,058.0 



32.4 



1,720.4 



9 



Oak-pine 



110.5 



129.5 



120.6 



10.1 



370.7 



18 



Oak-hickory 



3,142.1 



625.7 



203.6 



428.9 



4,400.3 



6 



Oak-gum-cypress 



88.6 



58.0 



204.7 





351.3 



24 



Elm-ash-red maple 



343.5 



59.7 



383.2 



144.0 



930.4 



15 



Maple-beech-birch 



192.4 



35.8 





130.9 



359.1 



24 



Total, all type groups 



4,227.0 



1,149.4 



1,970.1 



770.1 



8,166.6 



3 



a Sampling errors of 50 to 99 percent, 

 t' Sampling errors of over 100 percent. 

 International '/^-inch rule. 



6 



