1. A map of part of the continent of North America : between the 35th and 51st degrees of north latitude, and extending from 89 degrees of west longitude to the Pacific Ocean Yale Public content 1900. 2002-06-01T04:00:00Z. 2011-03-08T16:10:42Z. Lewis, Meriwether, 1774-1809. s.n. English. Public. West (U.S.).