This page presents older versions of our hydrogeologic maps. Please use the updated High Plains Aquifer Atlas instead.
To view the images at varying levels of resolution, click on the links below. More recent browsers will let you zoom in and out of the images based on the size of your browser window and the pixel size (resolution) of the images.
To save the file to your hard drive, right mouse click on the link and select "Save Link to Disk" or "Save Link Target As" from the pop-up menu . On Macintosh computers, hold your mouse button down and a pop-up menu should appear.
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