USGS Geological Map Product Viewer
To preview map grid for a specific USGS/AGS Quad single click (left mouse button) on its polygon in the Map-Viewer. The four map products for the Quad will then be displayed in the Product Grid. To browse the products in the Product Grid, place the mouse cursor over the Product Grid, or click on a specific map. To download an individual map as an Open File Report (OFR) from the USGS Publications Website, click on the map. Or, in the upper left corner of the Product Grid there is direct link ( ) to the Open-File Report (OFR) for the 4 map series.
The Product Grid also provides a method to navigate directly to the spatial extent of the selected OFR map sheet or USGS/AGS Quad by clicking on one of the magnify icons (, ).