Geological map: Coast view and section of Pigeon Point
Geological map: Coast view and section of Pigeon Point. By Richard Owen. Engd. on steel by W.H. Dougal, Washington, D.C. Cost section from the West end of Grand Portage Bay to the extremity of Pigeon Point in direction North of East. By Richard Owen. (on upper right margin) Pl.N. (to accompany) Illustrations to the Geological Report of Wisconsin, Iowa, and Minnesota. (with) Report of a Geological Survey of Wisconsin, Iowa and Minnesota ... 1852.
David RumseyOwen, David Dale
1852
1852
Lippincott, Grambo & Co.