Gravel/sand/clay come from river beds, generally. Quarries are when you blast half a hill away.
But I'm not an engineer... On Fri, Nov 5, 2010 at 2:47 PM, M∡rtin Koppenhoefer <[email protected]> wrote: > Are there any native english speaking engineers (or someone otherwise > into this topic) on this list? > > 1. I would like to know (besides what wikipedia:en states), whether > gravel pits are comprised in "quarry". I'm quite sure that "rubble" is > inside "quarry", but am not sure for "gravel". > > 2. What about sand and clay. Do they come from "quarries"? > > cheers, > Martin > > _______________________________________________ > Tagging mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/tagging > _______________________________________________ Tagging mailing list [email protected] http://lists.openstreetmap.org/listinfo/tagging
