We find this is just about the most natural navigation system we use, although it's slightly behind a proper «page» turn. (pocket-lint.com)
In this course we look in detail at natural navigation techniques and at the skill of navigating using a compass underwater. (prodiversstkitts.com)
This includes compass work and using a timing device, combined with natural navigation such as depth, bottom composition, contour, rock formations, corals and sunlight. (davyjoneslocker.asia)