A chart shewing part of the coast of N.W. America : with the tracks of His Majesty's sloop Discovery and armed tender Chatham / commanded by George Vancouver, Esqr. and prepared under his immediate inspection by Lieut. Joseph Baker, in which the continental shore has been traced and determined from lat. 4530' N. and long. 23612' E. to lat. 5215' N. and long. 23240' E. at the different periods shewn by the tracks ; Warner, sculp.
This gorgeous map of the Northwest American coast was originally produced in 1798.