On the geology of the country between Lake Superior and the Pacific Ocean (between the 48th and 54th paparallels of latitude), visited by the Government Exploring Expedition under the command of Captain J. Palliser (1857-1860).
1861. Quart. J. Geol. Soc. XVII-4 (68); 388-445, 14 fig. 1 large fold-out plt. with maps and sections. Orig. wrps. (front cover stamped: surplus stock. price one shilling), loose extract, blanc margin of first 2 pages soiled, otherwise very good, uncut.