Preston's sectional and county map of Oregon and Washington : west of the Cascade mountains / compiled ... by J.W. Trutch and G.W. Hyde.Trutch, Joseph W. (Joseph William), Sir, 1826-19041856"Entered according to act of Congress in the year 1856, J.A. Preston, in the clerk's office of the district court of the United States, for the northern district of Illinois."Library's copy 1 in case 19 x 13 cm. Copy 2 without covers, and dissected and mounted on linen, in 2 sheets (84 x 60 cm. and 79 x 60 cm.)cartographic