Vintage old school Map of Port Clinton, Ohio and surrounding areas

I’m no cartographer. The bottom right of the map: “NOT FOR NAVIGATIONAL PURPOSES”. I’m going to assume, with the title ‘Hot-Spot Charts’, that it’s a fishing guide. Thought it was pretty cool because it’s clearly older. I sanitize wiped both sides, looks like it could use one more scrub. Super cool for fisherman or map enthusiasts.