Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States:  Estimated Mean Annual Natural Groundwater Recharge, 2002
This data set represents the mean annual natural groundwater recharge, in millimeters, 
compiled for every catchment of NHDPlus for the conterminous United States. The source 
data set is Estimated Mean Annual Natural Ground-Water Recharge in the Conterminous 
United States (Wolock, 2003).
		
The NHDPlus Version 1.1 …