NHD Markup announcement graphic

NHD Markup announcement graphic

Detailed Description

The Markup Application is a web-based mapping communication tool that allows users to suggest edits, or “markups”, to the NHD, WBD, and NHDPlus HR. Anyone with a gmail account can suggest corrections and improvements to the data.

Details

Image Dimensions: 480 x 340

Date Taken:

Location Taken: US