reservoir downloads and gage DAs
new script to generate NHM_xx.gpkg table : NWIS/GFv2.0 drainage area for streamgage POIs within a VPU and addec chunk to 00_get_data.Rmd for reservoir data downloa - for review by ABock
new script to generate NHM_xx.gpkg table : NWIS/GFv2.0 drainage area for streamgage POIs within a VPU and addec chunk to 00_get_data.Rmd for reservoir data downloa - for review by ABock