British North America
A nineteenth-century map of British North America. Published in England by London Longman & Co. Contains the following geological information: volcanoes coloured with black dots; metamorphic or primitive rocks denoted with red; and fossiliferous rocks, from the Silurian Strata upwards, denoted with blue. Prime Meridian: Greenwich.
OS-X2 Map 610 a 18--
University Library, University of Saskatchewan