![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/8/81/GulfMex_WaterTypes.png/640px-GulfMex_WaterTypes.png&w=640&q=50)
Maritime geography
Collection of terms used by naval military units / From Wikipedia, the free encyclopedia
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Maritime geography is a collection of terms used by naval military units to loosely define three maritime regions: brown water, green water, and blue water.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/81/GulfMex_WaterTypes.png/320px-GulfMex_WaterTypes.png)