This is a chart of the Entrance to San Diego Bay in California. The long peninsula which extends southward is called Point Loma. The red line shows the main channel for entrance to the bay. The small extension into the channel is called ballast point. It was so named because ships delivering cargo to the village of San Diego very often had to pick up or leave stone ballast, and this was where this ballast was left and recovered as necessary. Today it is the site of the Coast Guard Base and the mooring of Coast Guard Cutters serving the Southern California coastline. The writing in the lower portion of the drawing is an excerpt from the Sailing Directions of the period. I will add that to the description of the drawing when I finish installing all the drawings ready for uploading.
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