NHDPlus HR Hydrologic Regions Map

Detailed Description

Graphic to illustrate the NHDPlus High Resolution Beta availability for Hydrologic Regions 1, 2, 6, 12, 14, 15 and 16 cover over a quarter of the area of the conterminous United States.


Image Dimensions: 3089 x 2332

Date Taken:

Location Taken: US