Mare Island Strait California Nevada Triangulation chart showing the progress

Triangulation chart showing the progress of the survey from Monterey Bay to the Bay of San Francsico and San Pablo Bay

2 Dry clean verso of map using dry sponge eraser to reduce heavy layer of surface dirt

Notes for the mariner on each harbor are given

Also shown are a vignette of Constantinople and an inset map of Candia

and smaller insets of Havana

Mare Island Strait California Nevada Triangulation chart showing the progressChart of Mare Island Straits, California, showing part of the San Francisco Bay area, including Mare Island, Bay of San Pablo, Straits of Karquines, and Vallejo. Depth soundings, bathymetry, rocks, bottom features, and notes important to the mariner are included. This later edition includes greater inland detail of the U. S. Navy Yare, City of Vallejo, and topographic features. This is an updated edition by the U. S. Coast & Geodetic Survey on heavy