levantado en diferentes ocasiones por los yngenieros del exercito de S.M. y rectificado por el piloto de la Rl. Armada graduado de Alfz. de Navio Dn. José Moraleda ; Josef Vazqz., la grabó. Map surveyed in 1788 and published in Madrid, approximately 1795. Relief shown pictorially and depths shown by bathymetric soundings. Prime meridian: Cádiz. Coordinates approximate and based on Greenwich meridian. Oriented with north toward the upper left. Bar scale on map in "Millas maritimas." Compass roses, rhumb ilnes, cartouche. Covers Corral Bay near the mouth of Valdivia River. Shows coastline, topography, vegetation, drainage, islands, shoals, ports, fortifications. Descriptive text beneath title. Ancillary map: Plano de la rada de Sn. Juan Bautista en la parte N.E. de la Isla de Juan Fernandez de Tierra. Profile view (indexed): Vista, para el reconocimiento de la entrada de Valdivia ... Stanford copy includes handwritten notes in pencil.