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NCRN Bird Monitoring Data 2007 - 2017
These data represent the first ten years of data collection (2007-2016) on avian abundance/density and distribution in the National Capital Region as part of the Inventory and... -
Hydrographic and Impairment Statistics Database: CATO
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to...
E' possibile inoltre accedere al registro usando le API (vedi Documentazione API).