Re: spare anchor
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No regarding the original posting: I also live in the PNW and while I haven’t done much sailing I have done a reasonable amount of fishing in the rivers and ocean. There are places in the mid-Columbia river which have a rocky bottom. The guys who frequent those areas have lost enough anchors that they developed what I have heard referred to as the Columbia River anchor which is used very extensively by those fishing below Bonneville dam. They are heavier than those mentioned above so may not be applicable but just though I would mention it. I can't attach any links but you could google columbia river anchor system if your so inclined.