Table 29.--Net volume of live trees on timberland by species and diameter class, Maryland, 1999 
  
                                                           (In millions of cubic feet) 
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                                                        Diameter class (inches at breast height)                                                
             Species            _________________________________________________________________________________________    All                 
                                    5.0-     7.0-    9.0-    11.0-    13.0-    15.0-    17.0-    19.0-    21.0-            classes      SE      
                                    6.9      8.9    10.9     12.9     14.9     16.9     18.9     20.9     28.9     29.0+                        
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     White/red pine                  8.0     22.2     19.1     10.6      4.1      3.2      4.5       .0      2.8       .0     74.5     41.7  
     Loblolly pine                  48.4     81.6     93.3     95.2     71.3     57.9     38.0     29.1     15.5       .0    530.4     10.5  
     Virginia pine                  16.0     30.3     32.1     32.3     21.5     21.3      2.5       .0      2.6       .0    158.6     16.0  
     Other yellow pines               .2       .8       .3       .4      1.7       .0       .0       .0       .0       .0      3.5     61.5  
     Other softwoods                 4.0      5.9      4.4      4.5      5.8      2.5      3.6      1.8      3.7      4.2     40.5     25.7  
                                ___________________________________________________________________________________________________ 
       Total softwoods              76.8    140.8    149.3    143.0    104.3     84.9     48.6     30.9     24.6      4.2    807.5      8.7  
                                ___________________________________________________________________________________________________ 
     Red maple                      49.7     69.4     85.6     85.5     88.7     54.3     49.3     41.6     92.8     58.9    675.7      9.7  
     Sugar maple                     6.9     11.3     11.2     15.4      4.7      4.6      3.2       .0      7.8     14.8     79.9     26.1  
     Hickory                         9.2     16.0     23.6     26.9     24.5     16.1     11.4      7.8     22.2      2.4    160.1     13.1  
     Beech                           8.0     10.1     11.8     15.3     13.7     14.6      8.8      9.2     12.1      6.2    109.7     14.6  
     Sweetgum                       30.5     45.2     68.8     78.2     74.4     58.1     30.2     14.0     42.0      5.4    446.9     11.0  
     Yellow-poplar                  11.5     23.3     33.7     56.7     64.2     85.1    121.7     96.0    212.9     50.1    755.4     10.7  
     Blackgum                       15.2     14.9     21.5     17.8     16.1     15.1      7.9      7.7     10.9       .0    127.1     12.6  
     Ash-walnut-cherry              28.4     40.1     47.1     41.1     22.8     21.7     23.9      8.9     27.3     11.0    272.3     13.1  
     Select white oaks              12.3     30.4     60.9     58.2     63.9     53.4     55.2     54.9     64.5     36.7    490.4      9.6  
     Select red oaks                 3.0      9.2     10.4     29.1     24.3     28.6     16.4     12.6     31.8     24.2    189.6     16.3  
     Other white oaks                6.8     18.4     30.1     25.2     41.8     22.8     30.2     11.8     12.6       .0    199.6     17.2  
     Other red oaks                 13.5     21.1     44.5     64.1     82.3     86.8     67.7     61.1     93.6     45.7    580.3      8.9  
     Blacklocust                     5.3     12.1     10.7     10.2     10.8      2.5       .0      3.7      7.6       .0     62.9     22.9  
     Other hardwoods                30.3     30.0     32.0     26.7     22.6     12.3     14.2     12.4     37.0     15.4    233.0     12.6  
                                ___________________________________________________________________________________________________ 
                               
     Noncommercial hardwoods        12.0     10.4      7.0      8.4      2.1      1.8       .1       .0       .0       .0     41.8     15.7  
                                ___________________________________________________________________________________________________ 
       Total hardwoods             242.7    361.9    498.8    558.8    557.1    477.8    440.0    341.6    675.3    270.8  4,424.7      3.7  
                                ___________________________________________________________________________________________________ 
     All species                   319.5    502.7    648.1    701.8    661.4    562.7    488.6    372.5    699.9    275.0  5,232.2      3.2  
     _______________________________________________________________________________________________________________________________________ 
     SE                              4.8      5.2      4.8      4.4      5.1      6.2      8.0      9.6      9.0     19.6      3.2 
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