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This image 8401.012 is a part of image group 8401.000.
Colored map of San Lorenzo Canal, Baja California. Depths shown by isolines and soundings. Soundings in feet. Relief shown by contours and spot heights.
8 lithograph folded color maps, with 57 pages of text, diagrams, tables and views, bound in half leather marbled cover 23x16, with title on spine "Iluminacion y Abalizamiento". Maps and text show the status of lighthouses and standards on the coasts of Mexico as of June 30, 1907.