nawqa_precip is a line and polygon coverage of the precipitation values in the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study area in southcentral Alaska. This...

nawqa_glac1 is a polygon coverage of glaciers in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet NAWQA is located in southcentral Alaska and...

nawqa_sta is a point coverage of USGS streamflow-gaging stations in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. Only stations with 10 or more years of...

nawqa_huc is a polygon coverage of hydrologic unit boundaries within the Cook Inlet Basin National Water-Quality Assessment (NAWQA) study area in southcentral Alaska. A...

nawqa_lakes is a polygon coverage of lakes greater than 20 acres that are located in the Cook Inlet National Water-Quality Assessment (NAWQA) study unit. The Cook Inlet Basin is...