...results of three years' exploration of the British Territories in North America along the frontier line of the United States, and westward from Lake Superior...plateau, bounded by the Rocky Mountains, Alleghanies, and Lauren tian axis, stretching from Canada to the Arctic Ocean, and divided into two slopes by a watershed...

...Captain J. 1'alliscr (1S57 — 00)." By James Hector, MD Communicated by Sir B,. I. Mnrchison, YPGS The paper gave the geological results of three years'...bounded by the. Rocky Mountains, Alleghanies, and Laurcntian axis, stretching from Canada to the Arctic Ocean, and divided into two slopes by a watershed...

...Captain J. Palliser (1857 — 60)." By James Hector, MD Communicated by Sir RI Murehison, VPGS The paper gave the geological results of three years'...America is a great triangular plateau, bounded by the Rockv Mountains, Alleghanies, and Laureutiau axis, stretehing from Canada to the Aretic Ocean, and...

...command of Captain J. Palliser (1857—60)." By James Hector, MD Communicated by Sir RI Murchison, VPG 8. This paper gave the geological results of three years'...showing that the central portion of North America is a-great triangular plateau, bounded by the Rocky Mountains, Alleghanies, and Laurentian axis, stretching...

...results of three years' exploration of the British Territories in North America along the frontier line of the United States, and westward from Lake Superior...Ocean. It began by showing that the central portion of Xorth America is a great triangular plateau, bounded by the Rocky Mountains, Alleghanies, and Laurentian...

...results of three years' explorations of the British territories in North America along the frontier line of the United States, and westward from Lake Superior...by a water-shed that nearly follows the political boundary line, and throws the drainage to the Gulf of Mexico and the Arctic Ocean. The northern part...

...results of three years' explorations of the British territories in North America alor the frontier line of the United States, and westward from Lake Superior...by a water-shed that nearly follows the political boundary line, and throws the drainage to the Gulf of Mexico and the Arctic Ocean. The northern part...

...eastern edge, the soft strata having been removed in the region of Lake Winnipeg. the frontier line of the United States, and westward from Lake Superior to the Pacific Ocean. The Rocky Mountains are composed of carboniferous and Devonian limestones, with massive quartzites...

...results of three years' explorations of the British territories in North America along the frontier line of the United States, and westward from Lake Superior...showing that the central portion of North America us a great triangular plateau, bounded by the Rocky Mountains, AUeghanies, and Laurentian axis, stretching...