Alteration of plate of S. Augustus Mitchell.; Copyright of 1850 but with references to 1851 in label inside cover.; Table inside cover gives population of counties in 1850.32 x 41 centimetersJPEGUMN_ALMA:9931956930001701engThomas, Cowperthwait & Co., no. 253 Market Street (Philadelphia)PublicCanada West formerly Upper CanadaMapsCanada1851University of Minnesota