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Using a range of archival data and modern studies , we assessed historical changes in forest vegetation and land-use from the Colonial period ( early 17th C ) to the present across a 5000 km2 area in central Massachusetts ( Figure 2 ) in order to evaluate the effects of this novel disturbance regime on the structure , composition and pattern of vegetation and its relationship to regional climatic gradients . Enter only the adjustment ( s ) to the previous report or notice of deficiency determined as a result of receiving the additional information . Just write out the matrix multiplication as a loop , adding the product of the ( transpose of one row of X ) with ( one row of D ) to the partial sum at a time . In this case , low-level plotting commands can be used to add extra information ( such as points , lines or text ) to the current plot . Following distribution of the assets , the shareholder / donor would contribute assets ( rather than stock ) to the charitable remainder trust . Then , if the command was executed with the Shift key held down , add a command to kill the subject ( or author ) to the current group 's kill file , so that it will be marked read automatically in the future . I've intently observed everything from Nixon ( that 's when I became a " lefty " ) to the present . American art is covered from the European discoveries ( 16th c. ) to the present . European art is covered from late Antiquity ( 4th c. ) to the present .