Question that just came to mind after discussions on tagging list. Just entered some details for a property in Western Qld, & started to include a turkey nest dam https://www.agric.wa.gov.au/water-management/excavated-tanks-farm-dams, but then thought, what's it actually called?
Is it a waterway=dam? - not on waterway so wouldn't have thought so natural=water + water=reservoir / landuse=reservoir? "A *reservoir* is an artificial lake is used to store water. Usually formed by a dam over a natural water course, water then backs up into a natural valley or depression" so no, not really? landuse=basin + basin=retention? "An area of land artificially graded to hold water" "retention basin <http://en.wikipedia.org/wiki/en:Retention_basin> catches storm water and retains it, forming an artificial pond" so I guess that's the best solution, but it doesn't really describe what you're looking at, because anybody looking for a turkey nest dam isn't going to be looking for a retention basin & vice versa! Oz guidelines don't mention them, just windmills & bores. Thanks Graeme
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