Geological Survey of CanadaRelief shown by hachures and spot heights. G. Matthews, Lith., Montreal. 1 map on var. sheets; sheets 63 x 95 cm. or smaller.JPEGb20ca00c-e266-4c4a-bbb3-cbbfe07e5e29engPublicTopographical plan of the river Meganatawan by A. Murray Esqr.MapsCanada-- Ontario--Magnetawan RiverCanada--Ontario1853University of Michigan