EXPLANATION 



W On cj/ndl C olony 

 <7/M.A-rzd inf ested inl89& 

 ^^ „ If "/897 



^^^X BILLERICA 



SBEDFORIV 

 CONCORD >^i?J^ 



^-^-llNCOLN ^ ^ / 



r-WAYLANDl fl^ ^^ f/Z 



/ \W£LLE5LEr -^ \ ^ 



L \ /NEEOHAM-v 



SHERBORI^' DOVER /wesVHAMVIil 



L *- ^ L ^ooD^-/^ili 



J^ILLISS ^ujjwwu, \(,„NDOLPH> -MOUTHE:;^^ ^ 

 . y IWALPOLE/ V--"^ / v p^«"^'«»\ V \ 



I \-NOKroLK/ /SHARON VsTOuCHTOnf A.ow >T-/(BIAICT0W'\ \hANOVER ^WARSHFiaP^ 



Map showing the i-apidly increasing spread of the 

 brown-tail moth. 



